./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:46:39,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:46:40,050 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 01:46:40,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:46:40,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:46:40,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:46:40,080 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:46:40,081 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:46:40,081 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:46:40,082 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:46:40,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:46:40,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:46:40,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:46:40,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:46:40,085 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:46:40,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:46:40,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:46:40,087 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:46:40,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:46:40,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:46:40,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:46:40,089 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:46:40,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:46:40,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:46:40,090 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:46:40,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:46:40,091 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:46:40,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:46:40,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:46:40,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:46:40,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:46:40,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:46:40,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:46:40,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:46:40,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:46:40,094 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:46:40,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:46:40,094 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:46:40,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:46:40,094 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:46:40,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:46:40,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:46:40,095 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2023-11-29 01:46:40,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:46:40,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:46:40,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:46:40,404 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:46:40,404 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:46:40,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-11-29 01:46:43,439 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:46:43,790 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:46:43,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-11-29 01:46:43,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/data/2c1a6af61/9dc26c0c500a4a04846d1eb3af349e01/FLAG1e58ee36f [2023-11-29 01:46:43,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/data/2c1a6af61/9dc26c0c500a4a04846d1eb3af349e01 [2023-11-29 01:46:43,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:46:43,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:46:43,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:46:43,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:46:43,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:46:43,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:46:43" (1/1) ... [2023-11-29 01:46:43,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd45266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:43, skipping insertion in model container [2023-11-29 01:46:43,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:46:43" (1/1) ... [2023-11-29 01:46:43,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:46:44,531 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2023-11-29 01:46:44,544 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2023-11-29 01:46:44,643 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2023-11-29 01:46:44,644 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2023-11-29 01:46:44,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:46:44,675 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:46:44,714 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2023-11-29 01:46:44,717 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2023-11-29 01:46:44,772 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2023-11-29 01:46:44,773 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2023-11-29 01:46:44,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:46:44,834 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:46:44,840 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:46:44,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44 WrapperNode [2023-11-29 01:46:44,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:46:44,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:46:44,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:46:44,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:46:44,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44" (1/1) ... [2023-11-29 01:46:44,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44" (1/1) ... [2023-11-29 01:46:44,950 INFO L138 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1542 [2023-11-29 01:46:44,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:46:44,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:46:44,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:46:44,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:46:44,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44" (1/1) ... [2023-11-29 01:46:44,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44" (1/1) ... [2023-11-29 01:46:44,976 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44" (1/1) ... [2023-11-29 01:46:45,131 INFO L175 MemorySlicer]: Split 314 memory accesses to 5 slices as follows [2, 3, 5, 270, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 64 writes are split as follows [0, 2, 1, 57, 4]. [2023-11-29 01:46:45,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44" (1/1) ... [2023-11-29 01:46:45,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44" (1/1) ... [2023-11-29 01:46:45,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44" (1/1) ... [2023-11-29 01:46:45,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44" (1/1) ... [2023-11-29 01:46:45,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44" (1/1) ... [2023-11-29 01:46:45,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44" (1/1) ... [2023-11-29 01:46:45,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:46:45,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:46:45,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:46:45,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:46:45,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44" (1/1) ... [2023-11-29 01:46:45,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:46:45,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:46:45,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:46:45,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:46:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:46:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-29 01:46:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 01:46:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 01:46:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 01:46:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 01:46:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 01:46:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:46:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-29 01:46:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-29 01:46:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:46:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:46:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 01:46:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 01:46:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 01:46:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 01:46:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 01:46:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:46:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:46:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 01:46:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 01:46:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 01:46:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 01:46:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:46:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-29 01:46:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-29 01:46:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 01:46:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 01:46:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 01:46:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 01:46:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 01:46:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-29 01:46:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-29 01:46:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:46:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:46:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 01:46:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 01:46:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 01:46:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:46:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:46:45,576 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:46:45,579 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:46:47,175 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:46:47,231 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:46:47,231 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-29 01:46:47,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:46:47 BoogieIcfgContainer [2023-11-29 01:46:47,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:46:47,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:46:47,236 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:46:47,239 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:46:47,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:46:43" (1/3) ... [2023-11-29 01:46:47,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105bf834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:46:47, skipping insertion in model container [2023-11-29 01:46:47,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:46:44" (2/3) ... [2023-11-29 01:46:47,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105bf834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:46:47, skipping insertion in model container [2023-11-29 01:46:47,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:46:47" (3/3) ... [2023-11-29 01:46:47,242 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test6-2.i [2023-11-29 01:46:47,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:46:47,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-29 01:46:47,323 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:46:47,330 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@64cc05af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:46:47,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-29 01:46:47,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 419 states, 395 states have (on average 1.6810126582278482) internal successors, (664), 399 states have internal predecessors, (664), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 01:46:47,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 01:46:47,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:47,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:47,345 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:46:47,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:47,350 INFO L85 PathProgramCache]: Analyzing trace with hash -35869811, now seen corresponding path program 1 times [2023-11-29 01:46:47,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:47,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281006921] [2023-11-29 01:46:47,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:47,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:47,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:47,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281006921] [2023-11-29 01:46:47,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281006921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:47,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:47,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:46:47,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457839549] [2023-11-29 01:46:47,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:47,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:46:47,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:47,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:46:47,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:46:47,626 INFO L87 Difference]: Start difference. First operand has 419 states, 395 states have (on average 1.6810126582278482) internal successors, (664), 399 states have internal predecessors, (664), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:47,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:47,730 INFO L93 Difference]: Finished difference Result 835 states and 1400 transitions. [2023-11-29 01:46:47,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:46:47,733 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-29 01:46:47,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:47,749 INFO L225 Difference]: With dead ends: 835 [2023-11-29 01:46:47,749 INFO L226 Difference]: Without dead ends: 415 [2023-11-29 01:46:47,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:46:47,761 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:47,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 604 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:46:47,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-11-29 01:46:47,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2023-11-29 01:46:47,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 392 states have (on average 1.4821428571428572) internal successors, (581), 396 states have internal predecessors, (581), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 01:46:47,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 611 transitions. [2023-11-29 01:46:47,844 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 611 transitions. Word has length 7 [2023-11-29 01:46:47,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:47,844 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 611 transitions. [2023-11-29 01:46:47,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:47,845 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 611 transitions. [2023-11-29 01:46:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 01:46:47,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:47,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:47,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:46:47,846 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:46:47,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:47,847 INFO L85 PathProgramCache]: Analyzing trace with hash -24229221, now seen corresponding path program 1 times [2023-11-29 01:46:47,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:47,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82016970] [2023-11-29 01:46:47,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:47,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:48,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:48,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82016970] [2023-11-29 01:46:48,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82016970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:48,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:48,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:46:48,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635471741] [2023-11-29 01:46:48,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:48,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:46:48,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:48,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:46:48,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:46:48,072 INFO L87 Difference]: Start difference. First operand 415 states and 611 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:48,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:48,312 INFO L93 Difference]: Finished difference Result 1034 states and 1530 transitions. [2023-11-29 01:46:48,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:46:48,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 01:46:48,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:48,319 INFO L225 Difference]: With dead ends: 1034 [2023-11-29 01:46:48,319 INFO L226 Difference]: Without dead ends: 808 [2023-11-29 01:46:48,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:46:48,322 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 559 mSDsluCounter, 1215 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:48,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 1857 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:46:48,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2023-11-29 01:46:48,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 417. [2023-11-29 01:46:48,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 394 states have (on average 1.4796954314720812) internal successors, (583), 398 states have internal predecessors, (583), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 01:46:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 613 transitions. [2023-11-29 01:46:48,360 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 613 transitions. Word has length 9 [2023-11-29 01:46:48,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:48,361 INFO L495 AbstractCegarLoop]: Abstraction has 417 states and 613 transitions. [2023-11-29 01:46:48,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 613 transitions. [2023-11-29 01:46:48,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 01:46:48,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:48,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:48,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:46:48,366 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:46:48,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:48,366 INFO L85 PathProgramCache]: Analyzing trace with hash -892865680, now seen corresponding path program 1 times [2023-11-29 01:46:48,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:48,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832241941] [2023-11-29 01:46:48,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:48,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:48,410 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:46:48,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [518443910] [2023-11-29 01:46:48,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:48,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:48,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:46:48,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:46:48,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:46:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:48,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:46:48,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:46:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:48,793 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:46:48,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:48,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832241941] [2023-11-29 01:46:48,794 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:46:48,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518443910] [2023-11-29 01:46:48,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518443910] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:48,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:48,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:46:48,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551042869] [2023-11-29 01:46:48,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:48,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:48,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:48,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:48,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:48,798 INFO L87 Difference]: Start difference. First operand 417 states and 613 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:48,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:48,924 INFO L93 Difference]: Finished difference Result 852 states and 1254 transitions. [2023-11-29 01:46:48,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:46:48,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2023-11-29 01:46:48,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:48,929 INFO L225 Difference]: With dead ends: 852 [2023-11-29 01:46:48,929 INFO L226 Difference]: Without dead ends: 438 [2023-11-29 01:46:48,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:48,931 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 9 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:48,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1152 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:46:48,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2023-11-29 01:46:48,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 437. [2023-11-29 01:46:48,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 414 states have (on average 1.4565217391304348) internal successors, (603), 418 states have internal predecessors, (603), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 01:46:48,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 633 transitions. [2023-11-29 01:46:48,949 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 633 transitions. Word has length 64 [2023-11-29 01:46:48,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:48,949 INFO L495 AbstractCegarLoop]: Abstraction has 437 states and 633 transitions. [2023-11-29 01:46:48,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 633 transitions. [2023-11-29 01:46:48,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 01:46:48,952 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:48,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:48,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:46:49,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:49,154 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:46:49,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:49,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1141012174, now seen corresponding path program 1 times [2023-11-29 01:46:49,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:49,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021569928] [2023-11-29 01:46:49,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:49,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:49,192 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:46:49,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [606675197] [2023-11-29 01:46:49,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:49,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:49,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:46:49,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:46:49,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:46:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:49,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:46:49,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:46:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:49,533 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:46:49,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:49,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021569928] [2023-11-29 01:46:49,534 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:46:49,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606675197] [2023-11-29 01:46:49,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606675197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:49,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:49,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:46:49,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909192987] [2023-11-29 01:46:49,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:49,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:46:49,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:49,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:46:49,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:46:49,538 INFO L87 Difference]: Start difference. First operand 437 states and 633 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:49,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:49,671 INFO L93 Difference]: Finished difference Result 858 states and 1250 transitions. [2023-11-29 01:46:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:46:49,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2023-11-29 01:46:49,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:49,675 INFO L225 Difference]: With dead ends: 858 [2023-11-29 01:46:49,676 INFO L226 Difference]: Without dead ends: 424 [2023-11-29 01:46:49,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:46:49,678 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 165 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:49,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1576 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:46:49,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-11-29 01:46:49,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 423. [2023-11-29 01:46:49,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 400 states have (on average 1.455) internal successors, (582), 404 states have internal predecessors, (582), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 01:46:49,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 612 transitions. [2023-11-29 01:46:49,699 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 612 transitions. Word has length 64 [2023-11-29 01:46:49,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:49,699 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 612 transitions. [2023-11-29 01:46:49,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:49,700 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 612 transitions. [2023-11-29 01:46:49,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 01:46:49,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:49,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:49,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 01:46:49,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:49,911 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:46:49,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:49,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1436507292, now seen corresponding path program 1 times [2023-11-29 01:46:49,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:49,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885809746] [2023-11-29 01:46:49,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:49,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:49,947 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:46:49,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1257671813] [2023-11-29 01:46:49,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:49,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:49,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:46:49,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:46:49,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 01:46:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:50,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 01:46:50,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:46:50,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:50,444 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:46:50,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:50,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885809746] [2023-11-29 01:46:50,444 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:46:50,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257671813] [2023-11-29 01:46:50,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257671813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:50,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:50,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:46:50,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666813275] [2023-11-29 01:46:50,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:50,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:46:50,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:50,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:46:50,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:46:50,447 INFO L87 Difference]: Start difference. First operand 423 states and 612 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:51,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:51,086 INFO L93 Difference]: Finished difference Result 883 states and 1272 transitions. [2023-11-29 01:46:51,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:46:51,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2023-11-29 01:46:51,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:51,091 INFO L225 Difference]: With dead ends: 883 [2023-11-29 01:46:51,091 INFO L226 Difference]: Without dead ends: 463 [2023-11-29 01:46:51,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:46:51,093 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 12 mSDsluCounter, 1917 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2502 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:51,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2502 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 01:46:51,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2023-11-29 01:46:51,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 460. [2023-11-29 01:46:51,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 437 states have (on average 1.4324942791762014) internal successors, (626), 441 states have internal predecessors, (626), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 01:46:51,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 656 transitions. [2023-11-29 01:46:51,114 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 656 transitions. Word has length 64 [2023-11-29 01:46:51,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:51,115 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 656 transitions. [2023-11-29 01:46:51,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:51,115 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 656 transitions. [2023-11-29 01:46:51,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 01:46:51,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:51,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:51,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 01:46:51,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:51,325 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:46:51,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:51,326 INFO L85 PathProgramCache]: Analyzing trace with hash 188191015, now seen corresponding path program 1 times [2023-11-29 01:46:51,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:51,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439138557] [2023-11-29 01:46:51,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:51,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:51,377 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:46:51,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970448524] [2023-11-29 01:46:51,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:51,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:51,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:46:51,380 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:46:51,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 01:46:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:51,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 01:46:51,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:46:51,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:51,914 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:46:51,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:51,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439138557] [2023-11-29 01:46:51,915 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:46:51,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970448524] [2023-11-29 01:46:51,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970448524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:51,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:51,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:46:51,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241606511] [2023-11-29 01:46:51,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:51,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:46:51,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:51,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:46:51,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:46:51,918 INFO L87 Difference]: Start difference. First operand 460 states and 656 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:52,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:52,673 INFO L93 Difference]: Finished difference Result 928 states and 1327 transitions. [2023-11-29 01:46:52,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:46:52,674 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2023-11-29 01:46:52,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:52,678 INFO L225 Difference]: With dead ends: 928 [2023-11-29 01:46:52,678 INFO L226 Difference]: Without dead ends: 471 [2023-11-29 01:46:52,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:46:52,681 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 17 mSDsluCounter, 2353 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2931 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:52,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2931 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 01:46:52,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-11-29 01:46:52,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 468. [2023-11-29 01:46:52,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 445 states have (on average 1.4337078651685393) internal successors, (638), 449 states have internal predecessors, (638), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 01:46:52,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 668 transitions. [2023-11-29 01:46:52,704 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 668 transitions. Word has length 65 [2023-11-29 01:46:52,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:52,704 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 668 transitions. [2023-11-29 01:46:52,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:52,705 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 668 transitions. [2023-11-29 01:46:52,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 01:46:52,706 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:52,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:52,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 01:46:52,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:52,913 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:46:52,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:52,913 INFO L85 PathProgramCache]: Analyzing trace with hash 173966767, now seen corresponding path program 1 times [2023-11-29 01:46:52,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:52,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113786370] [2023-11-29 01:46:52,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:52,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:52,943 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:46:52,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1484780443] [2023-11-29 01:46:52,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:52,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:52,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:46:52,946 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:46:52,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 01:46:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:53,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 01:46:53,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:46:53,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:53,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:46:53,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:53,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113786370] [2023-11-29 01:46:53,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:46:53,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484780443] [2023-11-29 01:46:53,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484780443] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:53,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:53,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:46:53,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785698094] [2023-11-29 01:46:53,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:53,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:46:53,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:53,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:46:53,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:46:53,324 INFO L87 Difference]: Start difference. First operand 468 states and 668 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:54,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:54,008 INFO L93 Difference]: Finished difference Result 947 states and 1354 transitions. [2023-11-29 01:46:54,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 01:46:54,008 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-29 01:46:54,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:54,013 INFO L225 Difference]: With dead ends: 947 [2023-11-29 01:46:54,013 INFO L226 Difference]: Without dead ends: 482 [2023-11-29 01:46:54,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:46:54,015 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 46 mSDsluCounter, 2436 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 3010 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:54,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 3010 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 01:46:54,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2023-11-29 01:46:54,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 474. [2023-11-29 01:46:54,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 451 states have (on average 1.434589800443459) internal successors, (647), 455 states have internal predecessors, (647), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 01:46:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 677 transitions. [2023-11-29 01:46:54,032 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 677 transitions. Word has length 66 [2023-11-29 01:46:54,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:54,033 INFO L495 AbstractCegarLoop]: Abstraction has 474 states and 677 transitions. [2023-11-29 01:46:54,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:54,033 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 677 transitions. [2023-11-29 01:46:54,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 01:46:54,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:54,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:54,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 01:46:54,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:54,237 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:46:54,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:54,237 INFO L85 PathProgramCache]: Analyzing trace with hash -429024437, now seen corresponding path program 1 times [2023-11-29 01:46:54,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:54,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960869350] [2023-11-29 01:46:54,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:54,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:54,268 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:46:54,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889702113] [2023-11-29 01:46:54,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:54,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:54,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:46:54,270 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:46:54,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 01:46:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:55,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 01:46:55,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:46:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:55,077 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:46:55,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:55,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960869350] [2023-11-29 01:46:55,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:46:55,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889702113] [2023-11-29 01:46:55,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889702113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:55,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:55,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:46:55,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565116667] [2023-11-29 01:46:55,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:55,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:46:55,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:55,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:46:55,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:46:55,081 INFO L87 Difference]: Start difference. First operand 474 states and 677 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:55,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:55,582 INFO L93 Difference]: Finished difference Result 485 states and 688 transitions. [2023-11-29 01:46:55,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:46:55,583 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-29 01:46:55,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:55,587 INFO L225 Difference]: With dead ends: 485 [2023-11-29 01:46:55,587 INFO L226 Difference]: Without dead ends: 483 [2023-11-29 01:46:55,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:46:55,588 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 511 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 2868 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:55,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 2868 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 01:46:55,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2023-11-29 01:46:55,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2023-11-29 01:46:55,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 457 states have (on average 1.4310722100656454) internal successors, (654), 462 states have internal predecessors, (654), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 01:46:55,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 686 transitions. [2023-11-29 01:46:55,612 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 686 transitions. Word has length 66 [2023-11-29 01:46:55,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:55,612 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 686 transitions. [2023-11-29 01:46:55,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:55,613 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 686 transitions. [2023-11-29 01:46:55,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-29 01:46:55,614 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:55,614 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:55,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 01:46:55,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:55,815 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:46:55,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:55,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1222922771, now seen corresponding path program 1 times [2023-11-29 01:46:55,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:55,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503727751] [2023-11-29 01:46:55,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:55,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:55,859 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:46:55,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [361269109] [2023-11-29 01:46:55,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:55,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:55,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:46:55,861 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:46:55,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 01:46:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:56,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:46:56,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:46:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:56,271 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:46:56,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:56,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:56,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503727751] [2023-11-29 01:46:56,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:46:56,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361269109] [2023-11-29 01:46:56,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361269109] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 01:46:56,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:46:56,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 9 [2023-11-29 01:46:56,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318259387] [2023-11-29 01:46:56,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:56,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:46:56,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:56,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:46:56,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:46:56,476 INFO L87 Difference]: Start difference. First operand 483 states and 686 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:46:56,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:56,840 INFO L93 Difference]: Finished difference Result 2065 states and 2967 transitions. [2023-11-29 01:46:56,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:46:56,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 78 [2023-11-29 01:46:56,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:56,855 INFO L225 Difference]: With dead ends: 2065 [2023-11-29 01:46:56,855 INFO L226 Difference]: Without dead ends: 1585 [2023-11-29 01:46:56,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 143 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:46:56,858 INFO L413 NwaCegarLoop]: 1163 mSDtfsCounter, 2216 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2216 SdHoareTripleChecker+Valid, 3375 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:56,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2216 Valid, 3375 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:46:56,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2023-11-29 01:46:56,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 1342. [2023-11-29 01:46:56,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1292 states have (on average 1.4442724458204335) internal successors, (1866), 1300 states have internal predecessors, (1866), 33 states have call successors, (33), 13 states have call predecessors, (33), 13 states have return successors, (35), 28 states have call predecessors, (35), 33 states have call successors, (35) [2023-11-29 01:46:56,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1934 transitions. [2023-11-29 01:46:56,931 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1934 transitions. Word has length 78 [2023-11-29 01:46:56,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:56,932 INFO L495 AbstractCegarLoop]: Abstraction has 1342 states and 1934 transitions. [2023-11-29 01:46:56,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:46:56,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1934 transitions. [2023-11-29 01:46:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-29 01:46:56,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:56,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:56,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 01:46:57,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:57,137 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:46:57,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:57,137 INFO L85 PathProgramCache]: Analyzing trace with hash 790637380, now seen corresponding path program 1 times [2023-11-29 01:46:57,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:57,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322777726] [2023-11-29 01:46:57,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:57,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:57,188 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:46:57,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [226263091] [2023-11-29 01:46:57,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:57,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:57,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:46:57,190 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:46:57,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 01:46:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:57,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:46:57,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:46:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:57,499 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:46:57,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:57,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322777726] [2023-11-29 01:46:57,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:46:57,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226263091] [2023-11-29 01:46:57,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226263091] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:57,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:57,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:46:57,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826574796] [2023-11-29 01:46:57,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:57,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:57,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:57,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:57,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:57,503 INFO L87 Difference]: Start difference. First operand 1342 states and 1934 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:57,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:57,579 INFO L93 Difference]: Finished difference Result 2684 states and 3871 transitions. [2023-11-29 01:46:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:46:57,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-11-29 01:46:57,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:57,590 INFO L225 Difference]: With dead ends: 2684 [2023-11-29 01:46:57,590 INFO L226 Difference]: Without dead ends: 1345 [2023-11-29 01:46:57,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:57,594 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 0 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:57,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1186 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:46:57,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2023-11-29 01:46:57,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1345. [2023-11-29 01:46:57,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1345 states, 1295 states have (on average 1.4432432432432432) internal successors, (1869), 1303 states have internal predecessors, (1869), 33 states have call successors, (33), 13 states have call predecessors, (33), 13 states have return successors, (35), 28 states have call predecessors, (35), 33 states have call successors, (35) [2023-11-29 01:46:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 1937 transitions. [2023-11-29 01:46:57,656 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 1937 transitions. Word has length 79 [2023-11-29 01:46:57,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:57,657 INFO L495 AbstractCegarLoop]: Abstraction has 1345 states and 1937 transitions. [2023-11-29 01:46:57,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:57,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1937 transitions. [2023-11-29 01:46:57,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-29 01:46:57,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:57,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:57,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 01:46:57,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 01:46:57,865 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:46:57,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:57,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1183664390, now seen corresponding path program 1 times [2023-11-29 01:46:57,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:57,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040372466] [2023-11-29 01:46:57,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:57,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:57,920 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:46:57,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [909334507] [2023-11-29 01:46:57,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:57,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:57,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:46:57,922 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:46:57,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 01:46:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:58,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 01:46:58,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:46:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:46:58,430 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:46:58,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:58,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040372466] [2023-11-29 01:46:58,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:46:58,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909334507] [2023-11-29 01:46:58,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909334507] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:46:58,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:46:58,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:46:58,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755625414] [2023-11-29 01:46:58,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:46:58,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:46:58,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:58,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:46:58,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:58,432 INFO L87 Difference]: Start difference. First operand 1345 states and 1937 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:58,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:46:58,635 INFO L93 Difference]: Finished difference Result 3180 states and 4634 transitions. [2023-11-29 01:46:58,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:46:58,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-11-29 01:46:58,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:46:58,647 INFO L225 Difference]: With dead ends: 3180 [2023-11-29 01:46:58,647 INFO L226 Difference]: Without dead ends: 1838 [2023-11-29 01:46:58,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:46:58,650 INFO L413 NwaCegarLoop]: 809 mSDtfsCounter, 388 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:46:58,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 1360 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:46:58,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2023-11-29 01:46:58,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1362. [2023-11-29 01:46:58,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 1320 states have (on average 1.4621212121212122) internal successors, (1930), 1326 states have internal predecessors, (1930), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-29 01:46:58,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1987 transitions. [2023-11-29 01:46:58,706 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1987 transitions. Word has length 79 [2023-11-29 01:46:58,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:46:58,707 INFO L495 AbstractCegarLoop]: Abstraction has 1362 states and 1987 transitions. [2023-11-29 01:46:58,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:46:58,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1987 transitions. [2023-11-29 01:46:58,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-29 01:46:58,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:46:58,708 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:46:58,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 01:46:58,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 01:46:58,909 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:46:58,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:46:58,910 INFO L85 PathProgramCache]: Analyzing trace with hash 612999263, now seen corresponding path program 1 times [2023-11-29 01:46:58,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:46:58,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862577142] [2023-11-29 01:46:58,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:58,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:46:58,955 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:46:58,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1454986021] [2023-11-29 01:46:58,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:46:58,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:46:58,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:46:58,957 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:46:58,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 01:46:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:46:59,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 01:46:59,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:46:59,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:46:59,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2023-11-29 01:46:59,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 01:46:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:46:59,738 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:46:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:46:59,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:46:59,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862577142] [2023-11-29 01:46:59,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:46:59,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454986021] [2023-11-29 01:46:59,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454986021] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:46:59,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:46:59,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 01:46:59,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730617800] [2023-11-29 01:46:59,958 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:46:59,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:46:59,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:46:59,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:46:59,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:46:59,960 INFO L87 Difference]: Start difference. First operand 1362 states and 1987 transitions. Second operand has 9 states, 9 states have (on average 21.11111111111111) internal successors, (190), 9 states have internal predecessors, (190), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 01:47:00,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:00,834 INFO L93 Difference]: Finished difference Result 6100 states and 9007 transitions. [2023-11-29 01:47:00,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 01:47:00,835 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.11111111111111) internal successors, (190), 9 states have internal predecessors, (190), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 111 [2023-11-29 01:47:00,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:00,867 INFO L225 Difference]: With dead ends: 6100 [2023-11-29 01:47:00,867 INFO L226 Difference]: Without dead ends: 5366 [2023-11-29 01:47:00,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 206 SyntacticMatches, 7 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:47:00,870 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 2519 mSDsluCounter, 3959 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2567 SdHoareTripleChecker+Valid, 4523 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:00,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2567 Valid, 4523 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 01:47:00,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5366 states. [2023-11-29 01:47:00,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5366 to 2512. [2023-11-29 01:47:01,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2512 states, 2436 states have (on average 1.438423645320197) internal successors, (3504), 2445 states have internal predecessors, (3504), 56 states have call successors, (56), 15 states have call predecessors, (56), 16 states have return successors, (57), 51 states have call predecessors, (57), 56 states have call successors, (57) [2023-11-29 01:47:01,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 3617 transitions. [2023-11-29 01:47:01,016 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 3617 transitions. Word has length 111 [2023-11-29 01:47:01,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:01,017 INFO L495 AbstractCegarLoop]: Abstraction has 2512 states and 3617 transitions. [2023-11-29 01:47:01,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.11111111111111) internal successors, (190), 9 states have internal predecessors, (190), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 01:47:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 3617 transitions. [2023-11-29 01:47:01,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-29 01:47:01,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:01,020 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:47:01,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-29 01:47:01,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 01:47:01,225 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:47:01,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:01,225 INFO L85 PathProgramCache]: Analyzing trace with hash -860630692, now seen corresponding path program 1 times [2023-11-29 01:47:01,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:01,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111388475] [2023-11-29 01:47:01,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:01,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:01,285 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:47:01,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886887027] [2023-11-29 01:47:01,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:01,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:01,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:47:01,286 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:47:01,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 01:47:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:01,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 01:47:01,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:47:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-29 01:47:01,856 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:47:01,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:01,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111388475] [2023-11-29 01:47:01,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:47:01,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886887027] [2023-11-29 01:47:01,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886887027] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:01,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:01,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:47:01,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11223991] [2023-11-29 01:47:01,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:01,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:47:01,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:01,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:47:01,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:47:01,859 INFO L87 Difference]: Start difference. First operand 2512 states and 3617 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 01:47:02,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:02,077 INFO L93 Difference]: Finished difference Result 4832 states and 6966 transitions. [2023-11-29 01:47:02,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:47:02,078 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 119 [2023-11-29 01:47:02,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:02,090 INFO L225 Difference]: With dead ends: 4832 [2023-11-29 01:47:02,091 INFO L226 Difference]: Without dead ends: 2507 [2023-11-29 01:47:02,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:47:02,094 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 125 mSDsluCounter, 1693 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 2276 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:02,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 2276 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:47:02,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2023-11-29 01:47:02,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 2507. [2023-11-29 01:47:02,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 2433 states have (on average 1.4385532264693794) internal successors, (3500), 2441 states have internal predecessors, (3500), 55 states have call successors, (55), 15 states have call predecessors, (55), 15 states have return successors, (55), 50 states have call predecessors, (55), 55 states have call successors, (55) [2023-11-29 01:47:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3610 transitions. [2023-11-29 01:47:02,174 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3610 transitions. Word has length 119 [2023-11-29 01:47:02,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:02,175 INFO L495 AbstractCegarLoop]: Abstraction has 2507 states and 3610 transitions. [2023-11-29 01:47:02,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 01:47:02,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3610 transitions. [2023-11-29 01:47:02,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 01:47:02,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:02,177 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:47:02,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 01:47:02,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:02,378 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:47:02,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:02,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1056700508, now seen corresponding path program 1 times [2023-11-29 01:47:02,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:02,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333974614] [2023-11-29 01:47:02,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:02,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:02,445 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:47:02,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1492230903] [2023-11-29 01:47:02,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:02,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:02,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:47:02,448 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:47:02,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 01:47:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:03,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 01:47:03,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:47:03,130 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-29 01:47:03,130 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:47:03,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:03,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333974614] [2023-11-29 01:47:03,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:47:03,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492230903] [2023-11-29 01:47:03,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492230903] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:03,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:03,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 01:47:03,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062092628] [2023-11-29 01:47:03,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:03,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 01:47:03,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:03,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 01:47:03,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 01:47:03,134 INFO L87 Difference]: Start difference. First operand 2507 states and 3610 transitions. Second operand has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-29 01:47:03,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:03,424 INFO L93 Difference]: Finished difference Result 4833 states and 6977 transitions. [2023-11-29 01:47:03,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:47:03,425 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 124 [2023-11-29 01:47:03,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:03,441 INFO L225 Difference]: With dead ends: 4833 [2023-11-29 01:47:03,441 INFO L226 Difference]: Without dead ends: 2512 [2023-11-29 01:47:03,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:47:03,447 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 12 mSDsluCounter, 3474 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 4058 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:03,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 4058 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:47:03,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2512 states. [2023-11-29 01:47:03,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2512 to 2512. [2023-11-29 01:47:03,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2512 states, 2436 states have (on average 1.4388341543513958) internal successors, (3505), 2446 states have internal predecessors, (3505), 55 states have call successors, (55), 15 states have call predecessors, (55), 17 states have return successors, (59), 50 states have call predecessors, (59), 55 states have call successors, (59) [2023-11-29 01:47:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2512 states and 3619 transitions. [2023-11-29 01:47:03,556 INFO L78 Accepts]: Start accepts. Automaton has 2512 states and 3619 transitions. Word has length 124 [2023-11-29 01:47:03,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:03,556 INFO L495 AbstractCegarLoop]: Abstraction has 2512 states and 3619 transitions. [2023-11-29 01:47:03,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-29 01:47:03,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 3619 transitions. [2023-11-29 01:47:03,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 01:47:03,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:03,559 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:47:03,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 01:47:03,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:03,760 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:47:03,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:03,760 INFO L85 PathProgramCache]: Analyzing trace with hash -2044446592, now seen corresponding path program 1 times [2023-11-29 01:47:03,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:03,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768894467] [2023-11-29 01:47:03,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:03,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:03,832 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:47:03,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229326491] [2023-11-29 01:47:03,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:03,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:03,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:47:03,835 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:47:03,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 01:47:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:04,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-29 01:47:04,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:47:04,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:47:04,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2023-11-29 01:47:04,847 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:47:04,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 23 [2023-11-29 01:47:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-29 01:47:05,014 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:47:05,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:05,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768894467] [2023-11-29 01:47:05,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:47:05,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229326491] [2023-11-29 01:47:05,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229326491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:05,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:05,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-29 01:47:05,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836217705] [2023-11-29 01:47:05,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:05,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 01:47:05,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:05,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 01:47:05,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:47:05,017 INFO L87 Difference]: Start difference. First operand 2512 states and 3619 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 01:47:07,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:07,147 INFO L93 Difference]: Finished difference Result 5196 states and 7489 transitions. [2023-11-29 01:47:07,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:47:07,148 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 126 [2023-11-29 01:47:07,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:07,164 INFO L225 Difference]: With dead ends: 5196 [2023-11-29 01:47:07,165 INFO L226 Difference]: Without dead ends: 2810 [2023-11-29 01:47:07,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2023-11-29 01:47:07,169 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 1083 mSDsluCounter, 3227 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 3820 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:07,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 3820 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 01:47:07,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2023-11-29 01:47:07,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2519. [2023-11-29 01:47:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2519 states, 2443 states have (on average 1.4375767498976668) internal successors, (3512), 2453 states have internal predecessors, (3512), 55 states have call successors, (55), 15 states have call predecessors, (55), 17 states have return successors, (59), 50 states have call predecessors, (59), 55 states have call successors, (59) [2023-11-29 01:47:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3626 transitions. [2023-11-29 01:47:07,281 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3626 transitions. Word has length 126 [2023-11-29 01:47:07,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:07,281 INFO L495 AbstractCegarLoop]: Abstraction has 2519 states and 3626 transitions. [2023-11-29 01:47:07,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 11 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 01:47:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3626 transitions. [2023-11-29 01:47:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 01:47:07,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:07,284 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:47:07,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 01:47:07,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 01:47:07,485 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:47:07,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:07,485 INFO L85 PathProgramCache]: Analyzing trace with hash -797082272, now seen corresponding path program 1 times [2023-11-29 01:47:07,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:07,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91493292] [2023-11-29 01:47:07,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:07,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:07,543 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:47:07,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1504450715] [2023-11-29 01:47:07,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:07,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:07,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:47:07,545 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:47:07,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 01:47:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:08,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-29 01:47:08,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:47:08,342 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-29 01:47:08,343 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:47:08,499 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-29 01:47:08,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:08,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91493292] [2023-11-29 01:47:08,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:47:08,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504450715] [2023-11-29 01:47:08,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504450715] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:47:08,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:47:08,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2023-11-29 01:47:08,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049794554] [2023-11-29 01:47:08,501 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:47:08,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 01:47:08,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:08,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 01:47:08,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:47:08,503 INFO L87 Difference]: Start difference. First operand 2519 states and 3626 transitions. Second operand has 12 states, 10 states have (on average 11.9) internal successors, (119), 12 states have internal predecessors, (119), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 01:47:08,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:08,930 INFO L93 Difference]: Finished difference Result 4859 states and 7020 transitions. [2023-11-29 01:47:08,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 01:47:08,931 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 11.9) internal successors, (119), 12 states have internal predecessors, (119), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 126 [2023-11-29 01:47:08,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:08,944 INFO L225 Difference]: With dead ends: 4859 [2023-11-29 01:47:08,944 INFO L226 Difference]: Without dead ends: 2533 [2023-11-29 01:47:08,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:47:08,947 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 16 mSDsluCounter, 4047 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4630 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:08,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4630 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 01:47:08,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2533 states. [2023-11-29 01:47:09,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2533 to 2531. [2023-11-29 01:47:09,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2531 states, 2454 states have (on average 1.4384678076609616) internal successors, (3530), 2464 states have internal predecessors, (3530), 55 states have call successors, (55), 16 states have call predecessors, (55), 18 states have return successors, (59), 50 states have call predecessors, (59), 55 states have call successors, (59) [2023-11-29 01:47:09,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2531 states and 3644 transitions. [2023-11-29 01:47:09,029 INFO L78 Accepts]: Start accepts. Automaton has 2531 states and 3644 transitions. Word has length 126 [2023-11-29 01:47:09,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:09,029 INFO L495 AbstractCegarLoop]: Abstraction has 2531 states and 3644 transitions. [2023-11-29 01:47:09,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 11.9) internal successors, (119), 12 states have internal predecessors, (119), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 01:47:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 3644 transitions. [2023-11-29 01:47:09,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:47:09,031 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:09,032 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:47:09,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 01:47:09,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:09,232 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:47:09,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:09,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1978174756, now seen corresponding path program 2 times [2023-11-29 01:47:09,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:09,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154427374] [2023-11-29 01:47:09,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:09,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:09,306 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:47:09,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2107204083] [2023-11-29 01:47:09,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:47:09,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:09,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:47:09,309 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:47:09,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 01:47:10,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:47:10,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:47:10,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 01:47:10,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:47:44,054 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_y_12 Int) (v_y_10 Int) (v_z_12 Int)) (let ((.cse0 (* v_y_12 4294967296))) (and (<= v_z_12 4294967295) (= (+ (mod (+ 2690382803 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4294967296) .cse0 (* v_z_12 4294967295)) 4294967296) (= (+ (* v_y_10 4294967296) 1099511627776 (* v_z_12 4294967039) .cse0) (* (mod (+ (* 4294967295 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4276993779) 4294967296) 256)) (<= 0 v_z_12)))) is different from false [2023-11-29 01:47:44,084 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 01:47:44,084 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:47:44,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:44,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154427374] [2023-11-29 01:47:44,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:47:44,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107204083] [2023-11-29 01:47:44,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107204083] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:44,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:44,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 01:47:44,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463951630] [2023-11-29 01:47:44,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:44,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:47:44,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:44,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:47:44,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=22, Unknown=1, NotChecked=8, Total=42 [2023-11-29 01:47:44,087 INFO L87 Difference]: Start difference. First operand 2531 states and 3644 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 01:47:44,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:44,742 INFO L93 Difference]: Finished difference Result 4929 states and 7107 transitions. [2023-11-29 01:47:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:47:44,743 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 130 [2023-11-29 01:47:44,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:44,756 INFO L225 Difference]: With dead ends: 4929 [2023-11-29 01:47:44,756 INFO L226 Difference]: Without dead ends: 2545 [2023-11-29 01:47:44,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=15, Invalid=30, Unknown=1, NotChecked=10, Total=56 [2023-11-29 01:47:44,760 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 12 mSDsluCounter, 2359 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2940 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 147 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:44,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2940 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 590 Invalid, 0 Unknown, 147 Unchecked, 0.5s Time] [2023-11-29 01:47:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2545 states. [2023-11-29 01:47:44,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2545 to 2545. [2023-11-29 01:47:44,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2468 states have (on average 1.4359805510534847) internal successors, (3544), 2478 states have internal predecessors, (3544), 55 states have call successors, (55), 16 states have call predecessors, (55), 18 states have return successors, (59), 50 states have call predecessors, (59), 55 states have call successors, (59) [2023-11-29 01:47:44,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 3658 transitions. [2023-11-29 01:47:44,853 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 3658 transitions. Word has length 130 [2023-11-29 01:47:44,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:44,854 INFO L495 AbstractCegarLoop]: Abstraction has 2545 states and 3658 transitions. [2023-11-29 01:47:44,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 01:47:44,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 3658 transitions. [2023-11-29 01:47:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 01:47:44,856 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:44,857 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:47:44,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-29 01:47:45,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:45,057 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:47:45,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:45,058 INFO L85 PathProgramCache]: Analyzing trace with hash 612702266, now seen corresponding path program 1 times [2023-11-29 01:47:45,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:45,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832390396] [2023-11-29 01:47:45,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:45,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:45,122 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:47:45,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621392030] [2023-11-29 01:47:45,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:45,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:45,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:47:45,124 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:47:45,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 01:47:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:45,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 01:47:45,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:47:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-29 01:47:45,687 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:47:45,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:45,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832390396] [2023-11-29 01:47:45,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:47:45,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621392030] [2023-11-29 01:47:45,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621392030] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:45,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:45,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:47:45,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563246289] [2023-11-29 01:47:45,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:45,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:47:45,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:45,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:47:45,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:47:45,690 INFO L87 Difference]: Start difference. First operand 2545 states and 3658 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 01:47:45,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:45,883 INFO L93 Difference]: Finished difference Result 5445 states and 7946 transitions. [2023-11-29 01:47:45,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:47:45,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 130 [2023-11-29 01:47:45,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:45,893 INFO L225 Difference]: With dead ends: 5445 [2023-11-29 01:47:45,893 INFO L226 Difference]: Without dead ends: 3017 [2023-11-29 01:47:45,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:47:45,898 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 141 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 2294 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:45,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 2294 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:47:45,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2023-11-29 01:47:45,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2534. [2023-11-29 01:47:45,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2534 states, 2457 states have (on average 1.4285714285714286) internal successors, (3510), 2467 states have internal predecessors, (3510), 55 states have call successors, (55), 16 states have call predecessors, (55), 18 states have return successors, (59), 50 states have call predecessors, (59), 55 states have call successors, (59) [2023-11-29 01:47:46,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2534 states and 3624 transitions. [2023-11-29 01:47:46,004 INFO L78 Accepts]: Start accepts. Automaton has 2534 states and 3624 transitions. Word has length 130 [2023-11-29 01:47:46,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:46,005 INFO L495 AbstractCegarLoop]: Abstraction has 2534 states and 3624 transitions. [2023-11-29 01:47:46,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 01:47:46,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 3624 transitions. [2023-11-29 01:47:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 01:47:46,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:46,007 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:47:46,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-29 01:47:46,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:46,208 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:47:46,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:46,209 INFO L85 PathProgramCache]: Analyzing trace with hash 994517895, now seen corresponding path program 1 times [2023-11-29 01:47:46,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:46,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74623840] [2023-11-29 01:47:46,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:46,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:46,266 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:47:46,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [418383571] [2023-11-29 01:47:46,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:46,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:46,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:47:46,267 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:47:46,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 01:47:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:47:46,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-29 01:47:46,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:47:46,925 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 01:47:46,925 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:47:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 01:47:47,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:47,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74623840] [2023-11-29 01:47:47,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:47:47,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418383571] [2023-11-29 01:47:47,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418383571] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:47:47,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:47:47,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2023-11-29 01:47:47,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440190431] [2023-11-29 01:47:47,195 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:47:47,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-29 01:47:47,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:47,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-29 01:47:47,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-11-29 01:47:47,197 INFO L87 Difference]: Start difference. First operand 2534 states and 3624 transitions. Second operand has 19 states, 17 states have (on average 7.588235294117647) internal successors, (129), 19 states have internal predecessors, (129), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 01:47:48,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:47:48,399 INFO L93 Difference]: Finished difference Result 4475 states and 6394 transitions. [2023-11-29 01:47:48,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 01:47:48,400 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 7.588235294117647) internal successors, (129), 19 states have internal predecessors, (129), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 132 [2023-11-29 01:47:48,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:47:48,405 INFO L225 Difference]: With dead ends: 4475 [2023-11-29 01:47:48,405 INFO L226 Difference]: Without dead ends: 1994 [2023-11-29 01:47:48,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2023-11-29 01:47:48,410 INFO L413 NwaCegarLoop]: 503 mSDtfsCounter, 112 mSDsluCounter, 5405 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 5908 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:47:48,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 5908 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 01:47:48,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2023-11-29 01:47:48,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1992. [2023-11-29 01:47:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1992 states, 1915 states have (on average 1.4031331592689296) internal successors, (2687), 1925 states have internal predecessors, (2687), 55 states have call successors, (55), 16 states have call predecessors, (55), 18 states have return successors, (59), 50 states have call predecessors, (59), 55 states have call successors, (59) [2023-11-29 01:47:48,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2801 transitions. [2023-11-29 01:47:48,505 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2801 transitions. Word has length 132 [2023-11-29 01:47:48,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:47:48,505 INFO L495 AbstractCegarLoop]: Abstraction has 1992 states and 2801 transitions. [2023-11-29 01:47:48,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 7.588235294117647) internal successors, (129), 19 states have internal predecessors, (129), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 01:47:48,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2801 transitions. [2023-11-29 01:47:48,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 01:47:48,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:47:48,508 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:47:48,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 01:47:48,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:48,708 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:47:48,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:47:48,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1726670648, now seen corresponding path program 2 times [2023-11-29 01:47:48,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:47:48,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236176482] [2023-11-29 01:47:48,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:47:48,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:47:48,777 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:47:48,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [585179944] [2023-11-29 01:47:48,778 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:47:48,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:47:48,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:47:48,779 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:47:48,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 01:47:49,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:47:49,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:47:49,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-29 01:47:49,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:47:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-11-29 01:47:50,071 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:47:50,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:47:50,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236176482] [2023-11-29 01:47:50,071 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:47:50,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585179944] [2023-11-29 01:47:50,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585179944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:47:50,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:47:50,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 01:47:50,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638542627] [2023-11-29 01:47:50,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:47:50,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:47:50,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:47:50,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:47:50,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:47:50,074 INFO L87 Difference]: Start difference. First operand 1992 states and 2801 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 01:47:54,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:47:58,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:48:02,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:48:06,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:48:07,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:48:08,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:48:08,250 INFO L93 Difference]: Finished difference Result 4010 states and 5674 transitions. [2023-11-29 01:48:08,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 01:48:08,251 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 141 [2023-11-29 01:48:08,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:48:08,256 INFO L225 Difference]: With dead ends: 4010 [2023-11-29 01:48:08,256 INFO L226 Difference]: Without dead ends: 2076 [2023-11-29 01:48:08,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:48:08,260 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 24 mSDsluCounter, 3647 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 4152 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:48:08,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 4152 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 676 Invalid, 3 Unknown, 0 Unchecked, 18.0s Time] [2023-11-29 01:48:08,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2023-11-29 01:48:08,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 2055. [2023-11-29 01:48:08,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2055 states, 1978 states have (on average 1.4044489383215368) internal successors, (2778), 1988 states have internal predecessors, (2778), 55 states have call successors, (55), 16 states have call predecessors, (55), 18 states have return successors, (59), 50 states have call predecessors, (59), 55 states have call successors, (59) [2023-11-29 01:48:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 2892 transitions. [2023-11-29 01:48:08,327 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 2892 transitions. Word has length 141 [2023-11-29 01:48:08,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:48:08,327 INFO L495 AbstractCegarLoop]: Abstraction has 2055 states and 2892 transitions. [2023-11-29 01:48:08,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 01:48:08,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2892 transitions. [2023-11-29 01:48:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 01:48:08,329 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:48:08,330 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:48:08,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 01:48:08,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:48:08,530 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:48:08,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:48:08,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1187059362, now seen corresponding path program 1 times [2023-11-29 01:48:08,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:48:08,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322613819] [2023-11-29 01:48:08,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:48:08,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:48:08,606 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:48:08,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1428458522] [2023-11-29 01:48:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:48:08,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:48:08,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:48:08,608 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:48:08,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 01:48:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:48:09,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 207 conjunts are in the unsatisfiable core [2023-11-29 01:48:09,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:48:09,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:48:09,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:48:09,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2023-11-29 01:48:09,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 01:48:10,140 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 01:48:10,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-29 01:48:10,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 01:48:10,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:48:10,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2023-11-29 01:48:10,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 01:48:10,848 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:48:10,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-11-29 01:48:10,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 01:48:11,034 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:11,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 30702 treesize of output 26254 [2023-11-29 01:48:11,121 INFO L349 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-29 01:48:11,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 16953 treesize of output 14469 [2023-11-29 01:48:11,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 63 [2023-11-29 01:48:11,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 59 [2023-11-29 01:48:11,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 133 [2023-11-29 01:48:11,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:11,231 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:11,241 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-29 01:48:11,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 118 [2023-11-29 01:48:11,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 65 [2023-11-29 01:48:11,306 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-11-29 01:48:11,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 51 [2023-11-29 01:48:11,324 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:11,325 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:11,326 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:11,333 INFO L349 Elim1Store]: treesize reduction 38, result has 2.6 percent of original size [2023-11-29 01:48:11,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 188 [2023-11-29 01:48:11,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 220 treesize of output 184 [2023-11-29 01:48:11,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 01:48:11,479 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:11,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 27551 treesize of output 23487 [2023-11-29 01:48:11,726 INFO L349 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-29 01:48:11,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 107099 treesize of output 77617 [2023-11-29 01:48:11,834 INFO L349 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-29 01:48:11,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 40347 treesize of output 33464 [2023-11-29 01:48:12,008 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 01:48:12,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 29103 treesize of output 26724 [2023-11-29 01:48:12,063 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:12,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 17151 treesize of output 1 [2023-11-29 01:48:12,162 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:12,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 27749 treesize of output 23649 [2023-11-29 01:48:12,439 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:12,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 30900 treesize of output 26416 [2023-11-29 01:48:12,625 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 01:48:12,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 26603 treesize of output 24396 [2023-11-29 01:48:12,788 INFO L349 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-29 01:48:12,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 93585 treesize of output 65855 [2023-11-29 01:48:12,870 INFO L349 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-29 01:48:12,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 34953 treesize of output 28874 [2023-11-29 01:48:12,915 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:12,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 17151 treesize of output 1 [2023-11-29 01:48:12,992 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:12,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 27749 treesize of output 23649 [2023-11-29 01:48:13,101 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:13,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 30900 treesize of output 26416 [2023-11-29 01:48:13,256 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:13,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 24354 treesize of output 20898 [2023-11-29 01:48:13,325 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:13,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 13309 treesize of output 1 [2023-11-29 01:48:13,399 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:13,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 21203 treesize of output 18131 [2023-11-29 01:48:13,582 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 01:48:13,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 47719 treesize of output 43528 [2023-11-29 01:48:13,743 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 01:48:13,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 46698 treesize of output 42539 [2023-11-29 01:48:13,818 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:48:13,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 31621 treesize of output 27675 [2023-11-29 01:48:14,107 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:14,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35075 treesize of output 29941 [2023-11-29 01:48:14,219 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:14,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 20110 treesize of output 1 [2023-11-29 01:48:14,298 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:14,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 31924 treesize of output 27174 [2023-11-29 01:48:14,390 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:14,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 25378 treesize of output 21656 [2023-11-29 01:48:14,432 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:14,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 16268 treesize of output 1 [2023-11-29 01:48:14,505 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:14,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 28529 treesize of output 24423 [2023-11-29 01:48:14,616 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 01:48:14,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 29199 treesize of output 26708 [2023-11-29 01:48:14,692 INFO L349 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-29 01:48:14,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 39219 treesize of output 32520 [2023-11-29 01:48:14,853 INFO L349 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-29 01:48:14,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 179184 treesize of output 123833 [2023-11-29 01:48:14,992 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 01:48:14,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 49341 treesize of output 44886 [2023-11-29 01:48:15,078 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:48:15,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 35153 treesize of output 30781 [2023-11-29 01:48:15,231 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 01:48:15,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 50362 treesize of output 45875 [2023-11-29 01:48:15,351 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:15,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35075 treesize of output 29941 [2023-11-29 01:48:15,428 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:15,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 20110 treesize of output 1 [2023-11-29 01:48:15,503 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:15,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 31924 treesize of output 27174 [2023-11-29 01:48:15,611 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:15,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 31726 treesize of output 27012 [2023-11-29 01:48:15,683 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:15,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 19912 treesize of output 1 [2023-11-29 01:48:15,771 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:15,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 34877 treesize of output 29779 [2023-11-29 01:48:15,924 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 01:48:15,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 32177 treesize of output 29350 [2023-11-29 01:48:16,013 INFO L349 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-29 01:48:16,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 44613 treesize of output 37110 [2023-11-29 01:48:16,126 INFO L349 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-29 01:48:16,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 120797 treesize of output 89107 [2023-11-29 01:48:16,239 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 01:48:16,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 26397 treesize of output 24224 [2023-11-29 01:48:16,309 INFO L349 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-29 01:48:16,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 34747 treesize of output 28702 [2023-11-29 01:48:16,467 INFO L349 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-29 01:48:16,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 93379 treesize of output 65683 [2023-11-29 01:48:16,553 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:16,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 30823 treesize of output 26351 [2023-11-29 01:48:16,689 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:16,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 27672 treesize of output 23584 [2023-11-29 01:48:16,733 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:16,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 17074 treesize of output 1 [2023-11-29 01:48:16,814 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:16,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 24277 treesize of output 20833 [2023-11-29 01:48:16,910 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:16,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 21126 treesize of output 18066 [2023-11-29 01:48:17,009 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:17,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 13232 treesize of output 1 [2023-11-29 01:48:17,128 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 01:48:17,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 47513 treesize of output 43356 [2023-11-29 01:48:17,206 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:48:17,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 31415 treesize of output 27503 [2023-11-29 01:48:17,324 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 01:48:17,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 46492 treesize of output 42367 [2023-11-29 01:48:17,463 INFO L349 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-29 01:48:17,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 106893 treesize of output 77445 [2023-11-29 01:48:17,550 INFO L349 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-29 01:48:17,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 40141 treesize of output 33292 [2023-11-29 01:48:17,650 INFO L349 Elim1Store]: treesize reduction 1672, result has 0.1 percent of original size [2023-11-29 01:48:17,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 16 new quantified variables, introduced 27 case distinctions, treesize of input 29328 treesize of output 26831 [2023-11-29 01:48:17,743 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:17,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 30823 treesize of output 26351 [2023-11-29 01:48:17,836 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:17,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 27672 treesize of output 23584 [2023-11-29 01:48:17,911 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:17,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 17074 treesize of output 1 [2023-11-29 01:48:17,984 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:17,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 30625 treesize of output 26189 [2023-11-29 01:48:18,023 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:18,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 16876 treesize of output 1 [2023-11-29 01:48:18,080 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:48:18,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 28496 treesize of output 24296 [2023-11-29 01:48:18,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 01:48:18,319 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2023-11-29 01:48:18,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2023-11-29 01:48:18,458 INFO L349 Elim1Store]: treesize reduction 137, result has 9.9 percent of original size [2023-11-29 01:48:18,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 169 treesize of output 110 [2023-11-29 01:48:18,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:18,486 INFO L349 Elim1Store]: treesize reduction 29, result has 31.0 percent of original size [2023-11-29 01:48:18,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 37 [2023-11-29 01:48:18,529 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:48:18,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 66 [2023-11-29 01:48:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:18,548 INFO L349 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2023-11-29 01:48:18,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 23 [2023-11-29 01:48:20,318 INFO L349 Elim1Store]: treesize reduction 916, result has 9.2 percent of original size [2023-11-29 01:48:20,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 244 treesize of output 229 [2023-11-29 01:48:20,559 INFO L349 Elim1Store]: treesize reduction 542, result has 21.0 percent of original size [2023-11-29 01:48:20,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 370 treesize of output 394 [2023-11-29 01:48:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:21,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:21,866 INFO L349 Elim1Store]: treesize reduction 574, result has 5.9 percent of original size [2023-11-29 01:48:21,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 17 new quantified variables, introduced 49 case distinctions, treesize of input 449 treesize of output 308 [2023-11-29 01:48:21,926 INFO L349 Elim1Store]: treesize reduction 260, result has 6.8 percent of original size [2023-11-29 01:48:21,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 14 new quantified variables, introduced 20 case distinctions, treesize of input 381 treesize of output 295 [2023-11-29 01:48:23,159 INFO L349 Elim1Store]: treesize reduction 122, result has 21.8 percent of original size [2023-11-29 01:48:23,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 546 treesize of output 368 [2023-11-29 01:48:23,219 INFO L349 Elim1Store]: treesize reduction 10, result has 65.5 percent of original size [2023-11-29 01:48:23,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 344 treesize of output 289 [2023-11-29 01:48:23,348 INFO L349 Elim1Store]: treesize reduction 234, result has 22.5 percent of original size [2023-11-29 01:48:23,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 22 case distinctions, treesize of input 300 treesize of output 235 [2023-11-29 01:48:23,416 INFO L349 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2023-11-29 01:48:23,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 302 treesize of output 225 [2023-11-29 01:48:23,455 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:48:23,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 279 treesize of output 205 [2023-11-29 01:48:23,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 50 [2023-11-29 01:48:23,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2023-11-29 01:48:23,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2023-11-29 01:48:24,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2023-11-29 01:48:24,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:48:24,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 97 treesize of output 117 [2023-11-29 01:48:24,421 INFO L349 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2023-11-29 01:48:24,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 151 treesize of output 121 [2023-11-29 01:48:24,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 77 [2023-11-29 01:48:24,635 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 30 proven. 105 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-29 01:48:24,635 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:48:24,737 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296)) (.cse1 (select (select |c_#memory_$Pointer$#3.base| .cse10) .cse11))) (let ((.cse2 (select |c_#memory_$Pointer$#3.offset| .cse1)) (.cse5 (select |c_#memory_$Pointer$#3.base| .cse1)) (.cse6 (* .cse0 12)) (.cse7 (select (select |c_#memory_$Pointer$#3.offset| .cse10) .cse11))) (and (or (< .cse0 2147483648) (let ((.cse4 (+ (- 51539607552) .cse6 .cse7)) (.cse3 (+ .cse6 .cse7 (- 51539607548)))) (and (forall ((v_ArrVal_5283 Int) (v_ArrVal_5279 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse1 (store .cse2 .cse3 v_ArrVal_5283)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5279) .cse1) .cse4) 0)) (forall ((v_ArrVal_5281 (Array Int Int))) (or (forall ((v_ArrVal_5280 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.base| .cse1 v_ArrVal_5281) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5280) .cse1) .cse4) 0)) (not (= (store .cse5 .cse3 (select v_ArrVal_5281 .cse3)) v_ArrVal_5281))))))) (or (< 2147483647 .cse0) (let ((.cse9 (+ .cse6 .cse7)) (.cse8 (+ .cse6 .cse7 4))) (and (forall ((v_ArrVal_5283 Int) (v_ArrVal_5279 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse1 (store .cse2 .cse8 v_ArrVal_5283)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5279) .cse1) .cse9) 0)) (forall ((v_ArrVal_5281 (Array Int Int))) (or (forall ((v_ArrVal_5280 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.base| .cse1 v_ArrVal_5281) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5280) .cse1) .cse9) 0)) (not (= (store .cse5 .cse8 (select v_ArrVal_5281 .cse8)) v_ArrVal_5281)))))))))))) is different from false [2023-11-29 01:48:24,831 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_#t~nondet117#1| 4294967296)) (.cse1 (select (select |c_#memory_$Pointer$#3.base| .cse10) .cse11))) (let ((.cse5 (select |c_#memory_$Pointer$#3.base| .cse1)) (.cse2 (select |c_#memory_$Pointer$#3.offset| .cse1)) (.cse6 (select (select |c_#memory_$Pointer$#3.offset| .cse10) .cse11)) (.cse7 (* .cse0 12))) (and (or (< .cse0 2147483648) (let ((.cse4 (+ (- 51539607552) .cse6 .cse7)) (.cse3 (+ .cse6 (- 51539607548) .cse7))) (and (forall ((v_ArrVal_5283 Int) (v_ArrVal_5279 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse1 (store .cse2 .cse3 v_ArrVal_5283)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5279) .cse1) .cse4) 0)) (forall ((v_ArrVal_5281 (Array Int Int))) (or (forall ((v_ArrVal_5280 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.base| .cse1 v_ArrVal_5281) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5280) .cse1) .cse4) 0)) (not (= v_ArrVal_5281 (store .cse5 .cse3 (select v_ArrVal_5281 .cse3))))))))) (or (let ((.cse8 (+ .cse6 4 .cse7)) (.cse9 (+ .cse6 .cse7))) (and (forall ((v_ArrVal_5281 (Array Int Int))) (or (not (= (store .cse5 .cse8 (select v_ArrVal_5281 .cse8)) v_ArrVal_5281)) (forall ((v_ArrVal_5280 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.base| .cse1 v_ArrVal_5281) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5280) .cse1) .cse9) 0)))) (forall ((v_ArrVal_5283 Int) (v_ArrVal_5279 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse1 (store .cse2 .cse8 v_ArrVal_5283)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5279) .cse1) .cse9) 0)))) (< 2147483647 .cse0))))))) is different from false [2023-11-29 01:48:24,869 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse3 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5)) (.cse4 (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5))) (let ((.cse2 (select (select |c_#memory_$Pointer$#3.offset| .cse3) .cse4))) (let ((.cse1 (+ .cse2 4)) (.cse0 (select (select |c_#memory_$Pointer$#3.base| .cse3) .cse4))) (and (forall ((v_ArrVal_5283 Int) (v_ArrVal_5279 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse0 (store (select |c_#memory_$Pointer$#3.offset| .cse0) .cse1 v_ArrVal_5283)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5279) .cse0) .cse2) 0)) (forall ((v_ArrVal_5281 (Array Int Int))) (or (not (= v_ArrVal_5281 (store (select |c_#memory_$Pointer$#3.base| .cse0) .cse1 (select v_ArrVal_5281 .cse1)))) (forall ((v_ArrVal_5280 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.base| .cse0 v_ArrVal_5281) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5280) .cse0) .cse2) 0))))))))) is different from false [2023-11-29 01:48:24,926 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse7 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse6))) (let ((.cse8 (select |c_#memory_$Pointer$#3.base| .cse7)) (.cse10 (select |c_#memory_$Pointer$#3.offset| .cse7)) (.cse9 (+ (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse6) 12))) (and (forall ((v_ArrVal_5283 Int) (v_ArrVal_5279 (Array Int Int)) (v_ArrVal_5278 Int) (v_ArrVal_5275 Int)) (= (let ((.cse0 (store |c_#memory_$Pointer$#3.offset| .cse7 (store .cse10 .cse9 v_ArrVal_5278))) (.cse3 (store |c_#memory_$Pointer$#3.base| .cse7 (store .cse8 .cse9 v_ArrVal_5275)))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6)) (.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6))) (let ((.cse2 (select (select .cse0 .cse4) .cse5))) (select (let ((.cse1 (select (select .cse3 .cse4) .cse5))) (select (store (store .cse0 .cse1 (store (select .cse0 .cse1) (+ .cse2 4) v_ArrVal_5283)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5279) .cse1)) .cse2)))) 0)) (forall ((v_ArrVal_5278 Int) (v_ArrVal_5281 (Array Int Int)) (v_ArrVal_5275 Int)) (let ((.cse15 (store |c_#memory_$Pointer$#3.offset| .cse7 (store .cse10 .cse9 v_ArrVal_5278))) (.cse11 (store |c_#memory_$Pointer$#3.base| .cse7 (store .cse8 .cse9 v_ArrVal_5275)))) (let ((.cse16 (select (select .cse11 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6)) (.cse17 (select (select .cse15 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6))) (let ((.cse12 (select (select .cse11 .cse16) .cse17)) (.cse14 (select (select .cse15 .cse16) .cse17))) (or (not (= v_ArrVal_5281 (let ((.cse13 (+ .cse14 4))) (store (select .cse11 .cse12) .cse13 (select v_ArrVal_5281 .cse13))))) (forall ((v_ArrVal_5280 (Array Int Int))) (= (select (select (store (store .cse11 .cse12 v_ArrVal_5281) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5280) .cse12) .cse14) 0))))))))))) is different from false [2023-11-29 01:48:24,963 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse7 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse6))) (let ((.cse8 (select |c_#memory_$Pointer$#3.base| .cse7)) (.cse10 (select |c_#memory_$Pointer$#3.offset| .cse7)) (.cse9 (+ 12 (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)))) (and (forall ((v_ArrVal_5283 Int) (v_ArrVal_5279 (Array Int Int)) (v_ArrVal_5278 Int) (v_ArrVal_5275 Int)) (= (let ((.cse0 (store |c_#memory_$Pointer$#3.offset| .cse7 (store .cse10 .cse9 v_ArrVal_5278))) (.cse3 (store |c_#memory_$Pointer$#3.base| .cse7 (store .cse8 .cse9 v_ArrVal_5275)))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)) (.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse6))) (let ((.cse2 (select (select .cse0 .cse4) .cse5))) (select (let ((.cse1 (select (select .cse3 .cse4) .cse5))) (select (store (store .cse0 .cse1 (store (select .cse0 .cse1) (+ .cse2 4) v_ArrVal_5283)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5279) .cse1)) .cse2)))) 0)) (forall ((v_ArrVal_5278 Int) (v_ArrVal_5281 (Array Int Int)) (v_ArrVal_5275 Int)) (let ((.cse15 (store |c_#memory_$Pointer$#3.offset| .cse7 (store .cse10 .cse9 v_ArrVal_5278))) (.cse11 (store |c_#memory_$Pointer$#3.base| .cse7 (store .cse8 .cse9 v_ArrVal_5275)))) (let ((.cse16 (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)) (.cse17 (select (select .cse15 |c_ULTIMATE.start_main_~user~0#1.base|) .cse6))) (let ((.cse12 (select (select .cse11 .cse16) .cse17)) (.cse14 (select (select .cse15 .cse16) .cse17))) (or (not (= v_ArrVal_5281 (let ((.cse13 (+ .cse14 4))) (store (select .cse11 .cse12) .cse13 (select v_ArrVal_5281 .cse13))))) (forall ((v_ArrVal_5280 (Array Int Int))) (= (select (select (store (store .cse11 .cse12 v_ArrVal_5281) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5280) .cse12) .cse14) 0))))))))))) is different from false [2023-11-29 01:48:26,752 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse20 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 1)) (.cse21 (+ 2 |c_ULTIMATE.start_main_#t~mem103#1.offset|)) (.cse22 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 3)) (.cse23 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 4))) (let ((.cse8 (store |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (store (store (store (store (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0) .cse20 0) .cse21 0) .cse22 0) .cse23 0))) (.cse7 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse12 (store |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (store (store (store (store (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0) .cse20 0) .cse21 0) .cse22 0) .cse23 0))) (.cse9 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse10 (select .cse8 .cse9)) (.cse13 (select .cse12 .cse9)) (.cse11 (+ (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7) 12))) (and (forall ((v_ArrVal_5278 Int) (v_ArrVal_5281 (Array Int Int)) (v_ArrVal_5275 Int)) (let ((.cse4 (store .cse12 .cse9 (store .cse13 .cse11 v_ArrVal_5278))) (.cse0 (store .cse8 .cse9 (store .cse10 .cse11 v_ArrVal_5275)))) (let ((.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse6 (select (select .cse4 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse1 (select (select .cse0 .cse5) .cse6)) (.cse2 (select (select .cse4 .cse5) .cse6))) (or (forall ((v_ArrVal_5280 (Array Int Int))) (= (select (select (store (store .cse0 .cse1 v_ArrVal_5281) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5280) .cse1) .cse2) 0)) (not (= (let ((.cse3 (+ .cse2 4))) (store (select .cse0 .cse1) .cse3 (select v_ArrVal_5281 .cse3))) v_ArrVal_5281))))))) (forall ((v_ArrVal_5283 Int) (v_ArrVal_5279 (Array Int Int)) (v_ArrVal_5278 Int) (v_ArrVal_5275 Int)) (= (let ((.cse14 (store .cse12 .cse9 (store .cse13 .cse11 v_ArrVal_5278))) (.cse17 (store .cse8 .cse9 (store .cse10 .cse11 v_ArrVal_5275)))) (let ((.cse18 (select (select .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse19 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse16 (select (select .cse14 .cse18) .cse19))) (select (let ((.cse15 (select (select .cse17 .cse18) .cse19))) (select (store (store .cse14 .cse15 (store (select .cse14 .cse15) (+ .cse16 4) v_ArrVal_5283)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5279) .cse15)) .cse16)))) 0))))))) is different from false [2023-11-29 01:48:26,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:48:26,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322613819] [2023-11-29 01:48:26,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:48:26,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428458522] [2023-11-29 01:48:26,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428458522] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:48:26,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:48:26,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2023-11-29 01:48:26,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755440607] [2023-11-29 01:48:26,781 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 01:48:26,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-11-29 01:48:26,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:48:26,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-11-29 01:48:26,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1177, Unknown=6, NotChecked=438, Total=1722 [2023-11-29 01:48:26,783 INFO L87 Difference]: Start difference. First operand 2055 states and 2892 transitions. Second operand has 36 states, 31 states have (on average 3.838709677419355) internal successors, (119), 29 states have internal predecessors, (119), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-29 01:48:44,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:48:44,544 INFO L93 Difference]: Finished difference Result 4831 states and 6835 transitions. [2023-11-29 01:48:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-11-29 01:48:44,544 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 31 states have (on average 3.838709677419355) internal successors, (119), 29 states have internal predecessors, (119), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 141 [2023-11-29 01:48:44,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:48:44,552 INFO L225 Difference]: With dead ends: 4831 [2023-11-29 01:48:44,552 INFO L226 Difference]: Without dead ends: 2913 [2023-11-29 01:48:44,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 1794 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=426, Invalid=6234, Unknown=6, NotChecked=990, Total=7656 [2023-11-29 01:48:44,559 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 1594 mSDsluCounter, 10665 mSDsCounter, 0 mSdLazyCounter, 3779 mSolverCounterSat, 89 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 11158 SdHoareTripleChecker+Invalid, 3869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 3779 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:48:44,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 11158 Invalid, 3869 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [89 Valid, 3779 Invalid, 1 Unknown, 0 Unchecked, 13.2s Time] [2023-11-29 01:48:44,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2913 states. [2023-11-29 01:48:44,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2913 to 2111. [2023-11-29 01:48:44,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2111 states, 2030 states have (on average 1.3950738916256158) internal successors, (2832), 2036 states have internal predecessors, (2832), 55 states have call successors, (55), 20 states have call predecessors, (55), 22 states have return successors, (67), 54 states have call predecessors, (67), 55 states have call successors, (67) [2023-11-29 01:48:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 2111 states and 2954 transitions. [2023-11-29 01:48:44,668 INFO L78 Accepts]: Start accepts. Automaton has 2111 states and 2954 transitions. Word has length 141 [2023-11-29 01:48:44,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:48:44,669 INFO L495 AbstractCegarLoop]: Abstraction has 2111 states and 2954 transitions. [2023-11-29 01:48:44,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 31 states have (on average 3.838709677419355) internal successors, (119), 29 states have internal predecessors, (119), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-29 01:48:44,669 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 2954 transitions. [2023-11-29 01:48:44,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 01:48:44,670 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:48:44,670 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:48:44,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 01:48:44,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 01:48:44,871 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:48:44,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:48:44,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1696532452, now seen corresponding path program 1 times [2023-11-29 01:48:44,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:48:44,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355299488] [2023-11-29 01:48:44,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:48:44,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:48:44,938 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:48:44,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [557023932] [2023-11-29 01:48:44,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:48:44,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:48:44,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:48:44,940 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:48:44,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 01:48:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:48:45,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 1141 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-29 01:48:45,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:48:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 29 proven. 124 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-29 01:48:46,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:48:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 67 proven. 22 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-29 01:48:46,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:48:46,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355299488] [2023-11-29 01:48:46,523 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:48:46,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557023932] [2023-11-29 01:48:46,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557023932] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:48:46,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:48:46,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9] total 21 [2023-11-29 01:48:46,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035793034] [2023-11-29 01:48:46,523 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:48:46,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 01:48:46,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:48:46,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 01:48:46,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2023-11-29 01:48:46,525 INFO L87 Difference]: Start difference. First operand 2111 states and 2954 transitions. Second operand has 21 states, 19 states have (on average 6.894736842105263) internal successors, (131), 21 states have internal predecessors, (131), 3 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 01:48:48,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:48:48,269 INFO L93 Difference]: Finished difference Result 4071 states and 5747 transitions. [2023-11-29 01:48:48,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-11-29 01:48:48,272 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 6.894736842105263) internal successors, (131), 21 states have internal predecessors, (131), 3 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 141 [2023-11-29 01:48:48,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:48:48,277 INFO L225 Difference]: With dead ends: 4071 [2023-11-29 01:48:48,277 INFO L226 Difference]: Without dead ends: 2095 [2023-11-29 01:48:48,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=376, Invalid=1346, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 01:48:48,281 INFO L413 NwaCegarLoop]: 513 mSDtfsCounter, 22 mSDsluCounter, 6620 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 7133 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:48:48,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 7133 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 01:48:48,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2023-11-29 01:48:48,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2091. [2023-11-29 01:48:48,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2091 states, 2012 states have (on average 1.4025844930417495) internal successors, (2822), 2020 states have internal predecessors, (2822), 55 states have call successors, (55), 20 states have call predecessors, (55), 20 states have return successors, (59), 50 states have call predecessors, (59), 55 states have call successors, (59) [2023-11-29 01:48:48,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 2091 states and 2936 transitions. [2023-11-29 01:48:48,391 INFO L78 Accepts]: Start accepts. Automaton has 2091 states and 2936 transitions. Word has length 141 [2023-11-29 01:48:48,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:48:48,391 INFO L495 AbstractCegarLoop]: Abstraction has 2091 states and 2936 transitions. [2023-11-29 01:48:48,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 6.894736842105263) internal successors, (131), 21 states have internal predecessors, (131), 3 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 01:48:48,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2936 transitions. [2023-11-29 01:48:48,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 01:48:48,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:48:48,393 INFO L195 NwaCegarLoop]: trace histogram [22, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:48:48,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-29 01:48:48,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:48:48,594 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:48:48,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:48:48,594 INFO L85 PathProgramCache]: Analyzing trace with hash -237727199, now seen corresponding path program 2 times [2023-11-29 01:48:48,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:48:48,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311938399] [2023-11-29 01:48:48,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:48:48,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:48:48,677 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:48:48,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1680305036] [2023-11-29 01:48:48,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:48:48,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:48:48,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:48:48,679 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:48:48,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-29 01:48:49,550 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:48:49,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:48:49,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 01:48:49,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:48:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2023-11-29 01:48:50,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:48:50,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:48:50,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311938399] [2023-11-29 01:48:50,137 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:48:50,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680305036] [2023-11-29 01:48:50,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680305036] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:48:50,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:48:50,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 01:48:50,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353525944] [2023-11-29 01:48:50,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:48:50,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 01:48:50,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:48:50,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 01:48:50,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:48:50,139 INFO L87 Difference]: Start difference. First operand 2091 states and 2936 transitions. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 01:48:51,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:48:51,106 INFO L93 Difference]: Finished difference Result 4153 states and 5848 transitions. [2023-11-29 01:48:51,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:48:51,107 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 148 [2023-11-29 01:48:51,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:48:51,113 INFO L225 Difference]: With dead ends: 4153 [2023-11-29 01:48:51,113 INFO L226 Difference]: Without dead ends: 2133 [2023-11-29 01:48:51,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:48:51,117 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 17 mSDsluCounter, 2775 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3283 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:48:51,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3283 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 01:48:51,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2023-11-29 01:48:51,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2119. [2023-11-29 01:48:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2119 states, 2040 states have (on average 1.4004901960784313) internal successors, (2857), 2048 states have internal predecessors, (2857), 55 states have call successors, (55), 20 states have call predecessors, (55), 20 states have return successors, (59), 50 states have call predecessors, (59), 55 states have call successors, (59) [2023-11-29 01:48:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2971 transitions. [2023-11-29 01:48:51,241 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2971 transitions. Word has length 148 [2023-11-29 01:48:51,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:48:51,241 INFO L495 AbstractCegarLoop]: Abstraction has 2119 states and 2971 transitions. [2023-11-29 01:48:51,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 01:48:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2971 transitions. [2023-11-29 01:48:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 01:48:51,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:48:51,242 INFO L195 NwaCegarLoop]: trace histogram [22, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:48:51,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-11-29 01:48:51,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:48:51,443 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:48:51,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:48:51,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1915379619, now seen corresponding path program 1 times [2023-11-29 01:48:51,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:48:51,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229206337] [2023-11-29 01:48:51,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:48:51,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:48:51,528 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:48:51,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2072797439] [2023-11-29 01:48:51,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:48:51,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:48:51,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:48:51,529 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:48:51,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-29 01:48:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:48:52,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 261 conjunts are in the unsatisfiable core [2023-11-29 01:48:52,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:48:52,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:48:52,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 01:48:52,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2023-11-29 01:48:52,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 01:48:52,999 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 01:48:53,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-29 01:48:53,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:48:53,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 01:48:53,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2023-11-29 01:48:53,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 01:48:53,887 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 01:48:53,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2023-11-29 01:48:53,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 01:48:54,075 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:48:54,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 19264 treesize of output 18652 [2023-11-29 01:48:54,130 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:48:54,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6430 treesize of output 6005 [2023-11-29 01:48:54,274 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:48:54,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 20058 treesize of output 19659 [2023-11-29 01:48:54,387 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:54,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 7638 treesize of output 8080 [2023-11-29 01:48:54,461 INFO L349 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-29 01:48:54,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 8389 treesize of output 7165 [2023-11-29 01:48:54,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 01:48:54,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 160 [2023-11-29 01:48:54,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 206 [2023-11-29 01:48:54,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:54,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:54,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:54,572 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-29 01:48:54,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 126 treesize of output 270 [2023-11-29 01:48:54,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 540 treesize of output 456 [2023-11-29 01:48:54,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:54,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:54,680 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:54,685 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:54,686 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:54,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 398 [2023-11-29 01:48:54,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 389 treesize of output 347 [2023-11-29 01:48:54,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 233 treesize of output 205 [2023-11-29 01:48:54,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:54,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:54,740 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:54,746 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:54,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 325 [2023-11-29 01:48:54,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 383 treesize of output 343 [2023-11-29 01:48:54,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 169 [2023-11-29 01:48:54,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:54,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:54,814 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:54,866 INFO L349 Elim1Store]: treesize reduction 125, result has 20.9 percent of original size [2023-11-29 01:48:54,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 182 treesize of output 617 [2023-11-29 01:48:54,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 517 treesize of output 455 [2023-11-29 01:48:54,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 445 treesize of output 375 [2023-11-29 01:48:54,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 139 [2023-11-29 01:48:54,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:48:54,990 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-29 01:48:54,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 36 [2023-11-29 01:48:54,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2023-11-29 01:48:55,024 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:55,030 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:55,030 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:55,064 INFO L349 Elim1Store]: treesize reduction 135, result has 14.6 percent of original size [2023-11-29 01:48:55,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 221 treesize of output 593 [2023-11-29 01:48:55,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 425 treesize of output 379 [2023-11-29 01:48:55,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 394 treesize of output 332 [2023-11-29 01:48:55,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 334 treesize of output 282 [2023-11-29 01:48:55,152 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:55,157 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:55,158 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:55,196 INFO L349 Elim1Store]: treesize reduction 135, result has 14.6 percent of original size [2023-11-29 01:48:55,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 221 treesize of output 593 [2023-11-29 01:48:55,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 473 treesize of output 419 [2023-11-29 01:48:55,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 382 treesize of output 330 [2023-11-29 01:48:55,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 245 [2023-11-29 01:48:55,287 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:55,288 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:55,293 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:55,293 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:55,294 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:48:55,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 398 [2023-11-29 01:48:55,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 437 treesize of output 393 [2023-11-29 01:48:55,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 248 treesize of output 216 [2023-11-29 01:48:55,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 108 [2023-11-29 01:48:55,409 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:55,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 7333 treesize of output 7791 [2023-11-29 01:48:55,519 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:55,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 7440 treesize of output 7918 [2023-11-29 01:48:55,611 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:55,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 7135 treesize of output 7629 [2023-11-29 01:48:55,656 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:55,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 8191 treesize of output 1 [2023-11-29 01:48:55,813 INFO L349 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-29 01:48:55,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 19805 treesize of output 19921 [2023-11-29 01:48:55,890 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:48:55,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 9207 treesize of output 8076 [2023-11-29 01:48:56,026 INFO L349 Elim1Store]: treesize reduction 2236, result has 0.0 percent of original size [2023-11-29 01:48:56,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 18216 treesize of output 19239 [2023-11-29 01:48:56,149 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:48:56,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 18092 treesize of output 17871 [2023-11-29 01:48:56,189 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:48:56,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5729 treesize of output 5356 [2023-11-29 01:48:56,274 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:48:56,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17260 treesize of output 16844 [2023-11-29 01:48:56,332 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:56,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 7638 treesize of output 8080 [2023-11-29 01:48:56,383 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:56,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 8389 treesize of output 1 [2023-11-29 01:48:56,440 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:56,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 7333 treesize of output 7791 [2023-11-29 01:48:56,531 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:56,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6712 treesize of output 7252 [2023-11-29 01:48:56,595 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:56,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6407 treesize of output 6963 [2023-11-29 01:48:56,633 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:56,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6943 treesize of output 1 [2023-11-29 01:48:56,674 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:56,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6701 treesize of output 1 [2023-11-29 01:48:56,730 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:56,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6185 treesize of output 6809 [2023-11-29 01:48:56,802 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:56,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6490 treesize of output 7098 [2023-11-29 01:48:56,914 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:48:56,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 16970 treesize of output 16658 [2023-11-29 01:48:56,965 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:48:56,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5583 treesize of output 5264 [2023-11-29 01:48:57,120 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:48:57,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17894 treesize of output 17763 [2023-11-29 01:48:57,222 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:57,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6688 treesize of output 7260 [2023-11-29 01:48:57,274 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:57,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6899 treesize of output 1 [2023-11-29 01:48:57,355 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:57,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6383 treesize of output 6971 [2023-11-29 01:48:57,504 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:48:57,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 14966 treesize of output 14850 [2023-11-29 01:48:57,589 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:48:57,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4882 treesize of output 4615 [2023-11-29 01:48:57,743 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:48:57,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 15928 treesize of output 15975 [2023-11-29 01:48:57,815 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:57,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 5762 treesize of output 6432 [2023-11-29 01:48:57,885 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:57,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 5457 treesize of output 6143 [2023-11-29 01:48:57,925 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:57,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 5453 treesize of output 1 [2023-11-29 01:48:57,997 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:57,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6688 treesize of output 7260 [2023-11-29 01:48:58,059 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:58,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6899 treesize of output 1 [2023-11-29 01:48:58,113 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:58,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6383 treesize of output 6971 [2023-11-29 01:48:58,279 INFO L349 Elim1Store]: treesize reduction 2236, result has 0.0 percent of original size [2023-11-29 01:48:58,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 16172 treesize of output 17541 [2023-11-29 01:48:58,374 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:48:58,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 7999 treesize of output 7044 [2023-11-29 01:48:58,509 INFO L349 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-29 01:48:58,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 17715 treesize of output 18109 [2023-11-29 01:48:58,660 INFO L349 Elim1Store]: treesize reduction 2236, result has 0.0 percent of original size [2023-11-29 01:48:58,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 16198 treesize of output 17561 [2023-11-29 01:48:58,729 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:48:58,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 8025 treesize of output 7064 [2023-11-29 01:48:58,886 INFO L349 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-29 01:48:58,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 17741 treesize of output 18129 [2023-11-29 01:48:59,014 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:48:59,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17920 treesize of output 17783 [2023-11-29 01:48:59,141 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:48:59,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 16996 treesize of output 16678 [2023-11-29 01:48:59,193 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:48:59,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5609 treesize of output 5284 [2023-11-29 01:48:59,264 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:59,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6714 treesize of output 7280 [2023-11-29 01:48:59,327 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:59,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6409 treesize of output 6991 [2023-11-29 01:48:59,403 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:59,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6925 treesize of output 1 [2023-11-29 01:48:59,450 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:48:59,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6727 treesize of output 1 [2023-11-29 01:48:59,523 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:59,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6211 treesize of output 6829 [2023-11-29 01:48:59,618 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:59,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6516 treesize of output 7118 [2023-11-29 01:48:59,741 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:48:59,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 15954 treesize of output 15995 [2023-11-29 01:48:59,867 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:48:59,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 14992 treesize of output 14870 [2023-11-29 01:48:59,919 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:48:59,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4908 treesize of output 4635 [2023-11-29 01:48:59,994 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:48:59,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6714 treesize of output 7280 [2023-11-29 01:49:00,068 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:00,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6409 treesize of output 6991 [2023-11-29 01:49:00,122 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:00,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6925 treesize of output 1 [2023-11-29 01:49:00,193 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:00,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 5479 treesize of output 1 [2023-11-29 01:49:00,245 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:00,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 5483 treesize of output 6163 [2023-11-29 01:49:00,322 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:00,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 5788 treesize of output 6452 [2023-11-29 01:49:00,915 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:00,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17790 treesize of output 17675 [2023-11-29 01:49:00,974 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:00,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5479 treesize of output 5176 [2023-11-29 01:49:01,092 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:01,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 16866 treesize of output 16570 [2023-11-29 01:49:01,169 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:01,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 7125 treesize of output 7901 [2023-11-29 01:49:01,215 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:01,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 3976 treesize of output 1 [2023-11-29 01:49:01,289 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:01,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 10192 treesize of output 10548 [2023-11-29 01:49:01,333 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:01,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 3864 treesize of output 1 [2023-11-29 01:49:01,387 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:01,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 7013 treesize of output 7805 [2023-11-29 01:49:01,480 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:01,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 9994 treesize of output 10386 [2023-11-29 01:49:01,541 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:01,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4778 treesize of output 4527 [2023-11-29 01:49:01,642 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:01,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 14862 treesize of output 14762 [2023-11-29 01:49:01,765 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:01,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 15824 treesize of output 15887 [2023-11-29 01:49:01,843 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:01,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 7125 treesize of output 7901 [2023-11-29 01:49:01,891 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:01,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 3976 treesize of output 1 [2023-11-29 01:49:01,958 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:01,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 10192 treesize of output 10548 [2023-11-29 01:49:02,038 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:02,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8170 treesize of output 8834 [2023-11-29 01:49:02,098 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:02,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 6940 treesize of output 7481 [2023-11-29 01:49:02,133 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:02,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 3118 treesize of output 1 [2023-11-29 01:49:02,325 INFO L349 Elim1Store]: treesize reduction 2236, result has 0.0 percent of original size [2023-11-29 01:49:02,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 16021 treesize of output 17418 [2023-11-29 01:49:02,400 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:02,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 7848 treesize of output 6921 [2023-11-29 01:49:02,567 INFO L349 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-29 01:49:02,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 17564 treesize of output 17986 [2023-11-29 01:49:02,644 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:02,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8137 treesize of output 8777 [2023-11-29 01:49:02,686 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:02,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 4527 treesize of output 1 [2023-11-29 01:49:02,744 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:02,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 11451 treesize of output 11625 [2023-11-29 01:49:02,833 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:02,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 11649 treesize of output 11787 [2023-11-29 01:49:02,899 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:02,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 4639 treesize of output 1 [2023-11-29 01:49:02,952 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:02,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8249 treesize of output 8873 [2023-11-29 01:49:03,083 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:03,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 19160 treesize of output 18564 [2023-11-29 01:49:03,181 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:03,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6326 treesize of output 5917 [2023-11-29 01:49:03,295 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:03,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 19954 treesize of output 19571 [2023-11-29 01:49:03,350 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:03,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 9056 treesize of output 7953 [2023-11-29 01:49:03,472 INFO L349 Elim1Store]: treesize reduction 2236, result has 0.0 percent of original size [2023-11-29 01:49:03,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 18065 treesize of output 19116 [2023-11-29 01:49:03,619 INFO L349 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-29 01:49:03,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 19654 treesize of output 19798 [2023-11-29 01:49:03,688 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:03,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 9627 treesize of output 10073 [2023-11-29 01:49:03,739 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:03,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 3781 treesize of output 1 [2023-11-29 01:49:03,824 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:03,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8223 treesize of output 8570 [2023-11-29 01:49:03,901 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:03,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 11649 treesize of output 11787 [2023-11-29 01:49:03,947 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:03,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 4639 treesize of output 1 [2023-11-29 01:49:04,015 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:04,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8249 treesize of output 8873 [2023-11-29 01:49:04,169 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:04,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17156 treesize of output 16756 [2023-11-29 01:49:04,215 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:04,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5625 treesize of output 5268 [2023-11-29 01:49:04,330 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:04,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17988 treesize of output 17783 [2023-11-29 01:49:04,648 INFO L349 Elim1Store]: treesize reduction 2236, result has 0.0 percent of original size [2023-11-29 01:49:04,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 16198 treesize of output 17561 [2023-11-29 01:49:04,699 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:04,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 8025 treesize of output 7064 [2023-11-29 01:49:04,844 INFO L349 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-29 01:49:04,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 17741 treesize of output 18129 [2023-11-29 01:49:04,955 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:04,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17920 treesize of output 17783 [2023-11-29 01:49:05,057 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:05,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 16996 treesize of output 16678 [2023-11-29 01:49:05,093 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:05,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5609 treesize of output 5284 [2023-11-29 01:49:05,157 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:05,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6714 treesize of output 7280 [2023-11-29 01:49:05,221 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:05,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6409 treesize of output 6991 [2023-11-29 01:49:05,269 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:05,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6925 treesize of output 1 [2023-11-29 01:49:05,305 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:05,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6727 treesize of output 1 [2023-11-29 01:49:05,363 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:05,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6211 treesize of output 6829 [2023-11-29 01:49:05,414 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:05,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6516 treesize of output 7118 [2023-11-29 01:49:05,505 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:05,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 15954 treesize of output 15995 [2023-11-29 01:49:05,617 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:05,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 14992 treesize of output 14870 [2023-11-29 01:49:05,676 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:05,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4908 treesize of output 4635 [2023-11-29 01:49:05,762 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:05,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6714 treesize of output 7280 [2023-11-29 01:49:05,846 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:05,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6409 treesize of output 6991 [2023-11-29 01:49:05,893 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:05,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6925 treesize of output 1 [2023-11-29 01:49:05,938 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:05,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 5479 treesize of output 1 [2023-11-29 01:49:06,009 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:06,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 5483 treesize of output 6163 [2023-11-29 01:49:06,098 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:06,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 5788 treesize of output 6452 [2023-11-29 01:49:06,233 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:06,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 19264 treesize of output 18652 [2023-11-29 01:49:06,287 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:06,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6430 treesize of output 6005 [2023-11-29 01:49:06,397 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:06,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 20058 treesize of output 19659 [2023-11-29 01:49:06,482 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:06,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 7638 treesize of output 8080 [2023-11-29 01:49:06,533 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:06,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 8389 treesize of output 1 [2023-11-29 01:49:06,599 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:06,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 7333 treesize of output 7791 [2023-11-29 01:49:06,688 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:06,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 7440 treesize of output 7918 [2023-11-29 01:49:06,755 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:06,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 7135 treesize of output 7629 [2023-11-29 01:49:06,801 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:06,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 8191 treesize of output 1 [2023-11-29 01:49:06,969 INFO L349 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-29 01:49:06,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 19805 treesize of output 19921 [2023-11-29 01:49:07,031 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:07,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 9207 treesize of output 8076 [2023-11-29 01:49:07,167 INFO L349 Elim1Store]: treesize reduction 2236, result has 0.0 percent of original size [2023-11-29 01:49:07,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 18216 treesize of output 19239 [2023-11-29 01:49:07,315 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:07,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 18092 treesize of output 17871 [2023-11-29 01:49:07,382 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:07,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5729 treesize of output 5356 [2023-11-29 01:49:07,514 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:07,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17260 treesize of output 16844 [2023-11-29 01:49:07,593 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:07,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 7638 treesize of output 8080 [2023-11-29 01:49:07,640 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:07,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 8389 treesize of output 1 [2023-11-29 01:49:07,699 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:07,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 7333 treesize of output 7791 [2023-11-29 01:49:07,776 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:07,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6712 treesize of output 7252 [2023-11-29 01:49:07,864 INFO L349 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-29 01:49:07,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 6407 treesize of output 6963 [2023-11-29 01:49:07,906 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:07,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 6943 treesize of output 1 [2023-11-29 01:49:08,297 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:08,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8137 treesize of output 8777 [2023-11-29 01:49:08,342 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:08,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 4527 treesize of output 1 [2023-11-29 01:49:08,412 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:08,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 11451 treesize of output 11625 [2023-11-29 01:49:08,498 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:08,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 11649 treesize of output 11787 [2023-11-29 01:49:08,543 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:08,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 4639 treesize of output 1 [2023-11-29 01:49:08,604 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:08,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8249 treesize of output 8873 [2023-11-29 01:49:08,727 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:08,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 19160 treesize of output 18564 [2023-11-29 01:49:08,800 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:08,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6326 treesize of output 5917 [2023-11-29 01:49:08,921 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:08,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 19954 treesize of output 19571 [2023-11-29 01:49:09,022 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:09,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 9056 treesize of output 7953 [2023-11-29 01:49:09,162 INFO L349 Elim1Store]: treesize reduction 2236, result has 0.0 percent of original size [2023-11-29 01:49:09,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 18065 treesize of output 19116 [2023-11-29 01:49:09,349 INFO L349 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-29 01:49:09,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 19654 treesize of output 19798 [2023-11-29 01:49:09,426 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:09,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 9627 treesize of output 10073 [2023-11-29 01:49:09,472 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:09,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 3781 treesize of output 1 [2023-11-29 01:49:09,537 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:09,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8223 treesize of output 8570 [2023-11-29 01:49:09,613 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:09,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 11649 treesize of output 11787 [2023-11-29 01:49:09,650 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:09,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 4639 treesize of output 1 [2023-11-29 01:49:09,710 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:09,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8249 treesize of output 8873 [2023-11-29 01:49:09,828 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:09,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17156 treesize of output 16756 [2023-11-29 01:49:09,876 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:09,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5625 treesize of output 5268 [2023-11-29 01:49:09,995 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:09,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17988 treesize of output 17783 [2023-11-29 01:49:10,034 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:10,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 4501 treesize of output 1 [2023-11-29 01:49:10,094 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:10,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8111 treesize of output 8757 [2023-11-29 01:49:10,181 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:10,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 11425 treesize of output 11605 [2023-11-29 01:49:10,267 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:10,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6300 treesize of output 5897 [2023-11-29 01:49:10,369 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:10,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 19134 treesize of output 18544 [2023-11-29 01:49:10,487 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:10,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 19928 treesize of output 19551 [2023-11-29 01:49:10,559 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:10,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 11623 treesize of output 11767 [2023-11-29 01:49:10,600 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:10,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 4613 treesize of output 1 [2023-11-29 01:49:10,657 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:10,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8223 treesize of output 8853 [2023-11-29 01:49:10,814 INFO L349 Elim1Store]: treesize reduction 2066, result has 0.0 percent of original size [2023-11-29 01:49:10,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 33 case distinctions, treesize of input 19628 treesize of output 19778 [2023-11-29 01:49:10,959 INFO L349 Elim1Store]: treesize reduction 2236, result has 0.0 percent of original size [2023-11-29 01:49:10,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 15 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 18039 treesize of output 19096 [2023-11-29 01:49:11,034 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:11,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 9030 treesize of output 7933 [2023-11-29 01:49:11,165 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:11,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17962 treesize of output 17763 [2023-11-29 01:49:11,289 INFO L349 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-29 01:49:11,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 17130 treesize of output 16736 [2023-11-29 01:49:11,379 INFO L349 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-29 01:49:11,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 5599 treesize of output 5248 [2023-11-29 01:49:11,464 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:11,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8197 treesize of output 8550 [2023-11-29 01:49:11,502 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:11,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 3755 treesize of output 1 [2023-11-29 01:49:11,569 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:11,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 9601 treesize of output 10053 [2023-11-29 01:49:11,667 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:11,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 11623 treesize of output 11767 [2023-11-29 01:49:11,714 INFO L349 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-29 01:49:11,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 4613 treesize of output 1 [2023-11-29 01:49:11,792 INFO L349 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-29 01:49:11,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 8223 treesize of output 8853 [2023-11-29 01:49:11,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-29 01:49:12,081 INFO L349 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2023-11-29 01:49:12,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2023-11-29 01:49:12,208 INFO L349 Elim1Store]: treesize reduction 137, result has 9.9 percent of original size [2023-11-29 01:49:12,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 227 treesize of output 148 [2023-11-29 01:49:12,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:12,235 INFO L349 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2023-11-29 01:49:12,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 64 [2023-11-29 01:49:12,262 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:49:12,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 73 [2023-11-29 01:49:12,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:12,274 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 01:49:12,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 26 [2023-11-29 01:49:33,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,906 INFO L349 Elim1Store]: treesize reduction 52, result has 33.3 percent of original size [2023-11-29 01:49:33,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 66 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 176 treesize of output 183 [2023-11-29 01:49:33,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:33,977 INFO L349 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2023-11-29 01:49:33,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 70 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 215 [2023-11-29 01:49:36,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,512 INFO L349 Elim1Store]: treesize reduction 108, result has 12.2 percent of original size [2023-11-29 01:49:36,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 76 disjoint index pairs (out of 105 index pairs), introduced 17 new quantified variables, introduced 106 case distinctions, treesize of input 486 treesize of output 297 [2023-11-29 01:49:36,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:36,593 INFO L349 Elim1Store]: treesize reduction 31, result has 26.2 percent of original size [2023-11-29 01:49:36,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 69 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 1 case distinctions, treesize of input 238 treesize of output 267 [2023-11-29 01:49:39,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,241 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-11-29 01:49:39,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 66 disjoint index pairs (out of 91 index pairs), introduced 17 new quantified variables, introduced 91 case distinctions, treesize of input 509 treesize of output 281 [2023-11-29 01:49:39,288 INFO L349 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2023-11-29 01:49:39,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 470 treesize of output 252 [2023-11-29 01:49:39,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,328 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-11-29 01:49:39,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 56 disjoint index pairs (out of 66 index pairs), introduced 13 new quantified variables, introduced 66 case distinctions, treesize of input 368 treesize of output 153 [2023-11-29 01:49:39,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 01:49:39,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 69 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 136 [2023-11-29 01:49:39,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 78 [2023-11-29 01:49:39,971 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 39 proven. 279 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:49:39,971 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:49:40,062 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse7 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296)) (.cse0 (select (select |c_#memory_$Pointer$#3.base| .cse10) .cse11))) (let ((.cse1 (select |c_#memory_$Pointer$#3.base| .cse0)) (.cse4 (select |c_#memory_$Pointer$#3.offset| .cse0)) (.cse5 (* .cse7 12)) (.cse6 (select (select |c_#memory_$Pointer$#3.offset| .cse10) .cse11))) (and (or (let ((.cse3 (+ (- 51539607552) .cse5 .cse6)) (.cse2 (+ .cse5 .cse6 (- 51539607548)))) (and (forall ((v_ArrVal_7065 Int) (v_ArrVal_7069 (Array Int Int))) (= 0 (select (select (store (store |c_#memory_$Pointer$#3.base| .cse0 (store .cse1 .cse2 v_ArrVal_7065)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7069) .cse0) .cse3))) (forall ((v_ArrVal_7068 (Array Int Int))) (or (forall ((v_ArrVal_7066 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse0 v_ArrVal_7068) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7066) .cse0) .cse3) 0)) (not (= (store .cse4 .cse2 (select v_ArrVal_7068 .cse2)) v_ArrVal_7068)))))) (< .cse7 2147483648)) (or (< 2147483647 .cse7) (let ((.cse8 (+ .cse5 .cse6 4)) (.cse9 (+ .cse5 .cse6))) (and (forall ((v_ArrVal_7065 Int) (v_ArrVal_7069 (Array Int Int))) (= 0 (select (select (store (store |c_#memory_$Pointer$#3.base| .cse0 (store .cse1 .cse8 v_ArrVal_7065)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7069) .cse0) .cse9))) (forall ((v_ArrVal_7068 (Array Int Int))) (or (not (= v_ArrVal_7068 (store .cse4 .cse8 (select v_ArrVal_7068 .cse8)))) (forall ((v_ArrVal_7066 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse0 v_ArrVal_7068) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7066) .cse0) .cse9) 0)))))))))))) is different from false [2023-11-29 01:49:40,142 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse7 (mod |c_ULTIMATE.start_main_#t~nondet117#1| 4294967296)) (.cse0 (select (select |c_#memory_$Pointer$#3.base| .cse10) .cse11))) (let ((.cse1 (select |c_#memory_$Pointer$#3.base| .cse0)) (.cse4 (select |c_#memory_$Pointer$#3.offset| .cse0)) (.cse5 (select (select |c_#memory_$Pointer$#3.offset| .cse10) .cse11)) (.cse6 (* .cse7 12))) (and (or (let ((.cse2 (+ .cse5 (- 51539607548) .cse6)) (.cse3 (+ (- 51539607552) .cse5 .cse6))) (and (forall ((v_ArrVal_7065 Int) (v_ArrVal_7069 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.base| .cse0 (store .cse1 .cse2 v_ArrVal_7065)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7069) .cse0) .cse3) 0)) (forall ((v_ArrVal_7068 (Array Int Int))) (or (not (= (store .cse4 .cse2 (select v_ArrVal_7068 .cse2)) v_ArrVal_7068)) (forall ((v_ArrVal_7066 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse0 v_ArrVal_7068) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7066) .cse0) .cse3) 0)))))) (< .cse7 2147483648)) (or (< 2147483647 .cse7) (let ((.cse9 (+ .cse5 .cse6)) (.cse8 (+ .cse5 4 .cse6))) (and (forall ((v_ArrVal_7065 Int) (v_ArrVal_7069 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.base| .cse0 (store .cse1 .cse8 v_ArrVal_7065)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7069) .cse0) .cse9) 0)) (forall ((v_ArrVal_7068 (Array Int Int))) (or (forall ((v_ArrVal_7066 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse0 v_ArrVal_7068) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7066) .cse0) .cse9) 0)) (not (= (store .cse4 .cse8 (select v_ArrVal_7068 .cse8)) v_ArrVal_7068)))))))))))) is different from false [2023-11-29 01:49:40,172 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse3 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5)) (.cse4 (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5))) (let ((.cse1 (select (select |c_#memory_$Pointer$#3.offset| .cse3) .cse4))) (let ((.cse2 (+ .cse1 4)) (.cse0 (select (select |c_#memory_$Pointer$#3.base| .cse3) .cse4))) (and (forall ((v_ArrVal_7068 (Array Int Int))) (or (forall ((v_ArrVal_7066 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.offset| .cse0 v_ArrVal_7068) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7066) .cse0) .cse1) 0)) (not (= (store (select |c_#memory_$Pointer$#3.offset| .cse0) .cse2 (select v_ArrVal_7068 .cse2)) v_ArrVal_7068)))) (forall ((v_ArrVal_7065 Int) (v_ArrVal_7069 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#3.base| .cse0 (store (select |c_#memory_$Pointer$#3.base| .cse0) .cse2 v_ArrVal_7065)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7069) .cse0) .cse1) 0))))))) is different from false [2023-11-29 01:49:40,232 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse8 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse7))) (let ((.cse9 (select |c_#memory_$Pointer$#3.base| .cse8)) (.cse11 (select |c_#memory_$Pointer$#3.offset| .cse8)) (.cse10 (+ (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse7) 12))) (and (forall ((v_ArrVal_7068 (Array Int Int)) (v_ArrVal_7062 Int) (v_ArrVal_7061 Int)) (let ((.cse0 (store |c_#memory_$Pointer$#3.offset| .cse8 (store .cse11 .cse10 v_ArrVal_7061))) (.cse6 (store |c_#memory_$Pointer$#3.base| .cse8 (store .cse9 .cse10 v_ArrVal_7062)))) (let ((.cse4 (select (select .cse6 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7)) (.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7))) (let ((.cse1 (select (select .cse6 .cse4) .cse5)) (.cse2 (select (select .cse0 .cse4) .cse5))) (or (forall ((v_ArrVal_7066 (Array Int Int))) (= (select (select (store (store .cse0 .cse1 v_ArrVal_7068) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7066) .cse1) .cse2) 0)) (not (= v_ArrVal_7068 (let ((.cse3 (+ .cse2 4))) (store (select .cse0 .cse1) .cse3 (select v_ArrVal_7068 .cse3)))))))))) (forall ((v_ArrVal_7065 Int) (v_ArrVal_7069 (Array Int Int)) (v_ArrVal_7062 Int) (v_ArrVal_7061 Int)) (= (let ((.cse17 (store |c_#memory_$Pointer$#3.offset| .cse8 (store .cse11 .cse10 v_ArrVal_7061))) (.cse12 (store |c_#memory_$Pointer$#3.base| .cse8 (store .cse9 .cse10 v_ArrVal_7062)))) (let ((.cse15 (select (select .cse12 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7)) (.cse16 (select (select .cse17 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7))) (let ((.cse14 (select (select .cse17 .cse15) .cse16))) (select (let ((.cse13 (select (select .cse12 .cse15) .cse16))) (select (store (store .cse12 .cse13 (store (select .cse12 .cse13) (+ .cse14 4) v_ArrVal_7065)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7069) .cse13)) .cse14)))) 0)))))) is different from false [2023-11-29 01:49:40,260 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse7 (select (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse6))) (let ((.cse8 (select |c_#memory_$Pointer$#3.base| .cse7)) (.cse10 (select |c_#memory_$Pointer$#3.offset| .cse7)) (.cse9 (+ 12 (select (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)))) (and (forall ((v_ArrVal_7065 Int) (v_ArrVal_7069 (Array Int Int)) (v_ArrVal_7062 Int) (v_ArrVal_7061 Int)) (= (let ((.cse5 (store |c_#memory_$Pointer$#3.offset| .cse7 (store .cse10 .cse9 v_ArrVal_7061))) (.cse0 (store |c_#memory_$Pointer$#3.base| .cse7 (store .cse8 .cse9 v_ArrVal_7062)))) (let ((.cse3 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)) (.cse4 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) .cse6))) (let ((.cse2 (select (select .cse5 .cse3) .cse4))) (select (let ((.cse1 (select (select .cse0 .cse3) .cse4))) (select (store (store .cse0 .cse1 (store (select .cse0 .cse1) (+ 4 .cse2) v_ArrVal_7065)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7069) .cse1)) .cse2)))) 0)) (forall ((v_ArrVal_7068 (Array Int Int)) (v_ArrVal_7062 Int) (v_ArrVal_7061 Int)) (let ((.cse11 (store |c_#memory_$Pointer$#3.offset| .cse7 (store .cse10 .cse9 v_ArrVal_7061))) (.cse17 (store |c_#memory_$Pointer$#3.base| .cse7 (store .cse8 .cse9 v_ArrVal_7062)))) (let ((.cse15 (select (select .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)) (.cse16 (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) .cse6))) (let ((.cse12 (select (select .cse17 .cse15) .cse16)) (.cse13 (select (select .cse11 .cse15) .cse16))) (or (forall ((v_ArrVal_7066 (Array Int Int))) (= (select (select (store (store .cse11 .cse12 v_ArrVal_7068) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7066) .cse12) .cse13) 0)) (not (= (let ((.cse14 (+ 4 .cse13))) (store (select .cse11 .cse12) .cse14 (select v_ArrVal_7068 .cse14))) v_ArrVal_7068))))))))))) is different from false [2023-11-29 01:50:31,344 WARN L293 SmtUtils]: Spent 51.04s on a formula simplification. DAG size of input: 236 DAG size of output: 232 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-29 01:50:41,301 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse28 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 1)) (.cse29 (+ 2 |c_ULTIMATE.start_main_#t~mem103#1.offset|)) (.cse30 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 3)) (.cse31 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 4)) (.cse32 (+ 5 |c_ULTIMATE.start_main_#t~mem103#1.offset|)) (.cse33 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 6)) (.cse34 (+ 7 |c_ULTIMATE.start_main_#t~mem103#1.offset|)) (.cse35 (+ |c_ULTIMATE.start_main_#t~mem103#1.offset| 8)) (.cse36 (+ 9 |c_ULTIMATE.start_main_#t~mem103#1.offset|))) (let ((.cse7 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8)) (.cse12 (store (store (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0) .cse28 0) .cse29 0) .cse30 0) .cse31 0) .cse32 0) .cse33 0) .cse34 0) .cse35 0) .cse36 0)) (.cse15 (store (store (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0) .cse28 0) .cse29 0) .cse30 0) .cse31 0) .cse32 0) .cse33 0) .cse34 0) .cse35 0) .cse36 0))) (and (forall ((|v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_167| Int)) (or (forall ((|v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_166| Int)) (or (< |v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_166| (+ |v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_167| 1)) (forall ((v_ArrVal_7068 (Array Int Int)) (v_ArrVal_7062 Int) (v_ArrVal_7061 Int)) (let ((.cse13 (+ |v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_167| |c_ULTIMATE.start_main_#t~mem103#1.offset|)) (.cse14 (+ |v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_166| |c_ULTIMATE.start_main_#t~mem103#1.offset|))) (let ((.cse11 (store |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (store .cse15 .cse13 0) .cse14 0))) (.cse8 (store |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (store .cse12 .cse13 0) .cse14 0)))) (let ((.cse9 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse10 (+ (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7) 12))) (let ((.cse0 (store .cse11 .cse9 (store (select .cse11 .cse9) .cse10 v_ArrVal_7061))) (.cse6 (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 v_ArrVal_7062)))) (let ((.cse4 (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse1 (select (select .cse6 .cse4) .cse5)) (.cse3 (select (select .cse0 .cse4) .cse5))) (or (not (= v_ArrVal_7068 (let ((.cse2 (+ .cse3 4))) (store (select .cse0 .cse1) .cse2 (select v_ArrVal_7068 .cse2))))) (forall ((v_ArrVal_7066 (Array Int Int))) (= 0 (select (select (store (store .cse0 .cse1 v_ArrVal_7068) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7066) .cse1) .cse3))))))))))))) (< |v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_167| 10))) (forall ((|v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_167| Int)) (or (forall ((|v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_166| Int)) (or (< |v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_166| (+ |v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_167| 1)) (forall ((v_ArrVal_7065 Int) (v_ArrVal_7069 (Array Int Int)) (v_ArrVal_7062 Int) (v_ArrVal_7061 Int)) (= (let ((.cse26 (+ |v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_167| |c_ULTIMATE.start_main_#t~mem103#1.offset|)) (.cse27 (+ |v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_166| |c_ULTIMATE.start_main_#t~mem103#1.offset|))) (let ((.cse25 (store |c_#memory_$Pointer$#3.offset| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (store .cse15 .cse26 0) .cse27 0))) (.cse22 (store |c_#memory_$Pointer$#3.base| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (store .cse12 .cse26 0) .cse27 0)))) (let ((.cse23 (select (select .cse22 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse24 (+ (select (select .cse25 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7) 12))) (let ((.cse21 (store .cse25 .cse23 (store (select .cse25 .cse23) .cse24 v_ArrVal_7061))) (.cse16 (store .cse22 .cse23 (store (select .cse22 .cse23) .cse24 v_ArrVal_7062)))) (let ((.cse19 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse20 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse18 (select (select .cse21 .cse19) .cse20))) (select (let ((.cse17 (select (select .cse16 .cse19) .cse20))) (select (store (store .cse16 .cse17 (store (select .cse16 .cse17) (+ .cse18 4) v_ArrVal_7065)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_7069) .cse17)) .cse18))))))) 0)))) (< |v_alt_bzero_#Ultimate.C_memset_#t~loopctr358#1_167| 10)))))) is different from false [2023-11-29 01:50:41,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:50:41,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229206337] [2023-11-29 01:50:41,733 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:50:41,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072797439] [2023-11-29 01:50:41,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072797439] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:50:41,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:50:41,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2023-11-29 01:50:41,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595671593] [2023-11-29 01:50:41,734 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 01:50:41,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-11-29 01:50:41,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:50:41,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-11-29 01:50:41,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=2040, Unknown=6, NotChecked=570, Total=2756 [2023-11-29 01:50:41,736 INFO L87 Difference]: Start difference. First operand 2119 states and 2971 transitions. Second operand has 47 states, 42 states have (on average 3.1666666666666665) internal successors, (133), 43 states have internal predecessors, (133), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-29 01:51:34,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 01:53:33,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:53:33,074 INFO L93 Difference]: Finished difference Result 4696 states and 6633 transitions. [2023-11-29 01:53:33,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2023-11-29 01:53:33,075 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 42 states have (on average 3.1666666666666665) internal successors, (133), 43 states have internal predecessors, (133), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 148 [2023-11-29 01:53:33,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:53:33,081 INFO L225 Difference]: With dead ends: 4696 [2023-11-29 01:53:33,081 INFO L226 Difference]: Without dead ends: 2730 [2023-11-29 01:53:33,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 134 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 2318 ImplicationChecksByTransitivity, 76.7s TimeCoverageRelationStatistics Valid=593, Invalid=9727, Unknown=6, NotChecked=1230, Total=11556 [2023-11-29 01:53:33,088 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 1472 mSDsluCounter, 13779 mSDsCounter, 0 mSdLazyCounter, 6061 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 14239 SdHoareTripleChecker+Invalid, 6183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 6061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 119.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:53:33,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 14239 Invalid, 6183 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [122 Valid, 6061 Invalid, 0 Unknown, 0 Unchecked, 119.7s Time] [2023-11-29 01:53:33,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2730 states. [2023-11-29 01:53:33,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2730 to 2153. [2023-11-29 01:53:33,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2153 states, 2072 states have (on average 1.3865830115830116) internal successors, (2873), 2078 states have internal predecessors, (2873), 55 states have call successors, (55), 20 states have call predecessors, (55), 22 states have return successors, (59), 54 states have call predecessors, (59), 55 states have call successors, (59) [2023-11-29 01:53:33,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2987 transitions. [2023-11-29 01:53:33,242 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2987 transitions. Word has length 148 [2023-11-29 01:53:33,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:53:33,242 INFO L495 AbstractCegarLoop]: Abstraction has 2153 states and 2987 transitions. [2023-11-29 01:53:33,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 42 states have (on average 3.1666666666666665) internal successors, (133), 43 states have internal predecessors, (133), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-29 01:53:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2987 transitions. [2023-11-29 01:53:33,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 01:53:33,243 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:53:33,244 INFO L195 NwaCegarLoop]: trace histogram [22, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:53:33,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-11-29 01:53:33,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-29 01:53:33,444 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:53:33,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:53:33,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1405906529, now seen corresponding path program 1 times [2023-11-29 01:53:33,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:53:33,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277873692] [2023-11-29 01:53:33,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:53:33,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:53:33,510 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:53:33,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869427562] [2023-11-29 01:53:33,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:53:33,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:53:33,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:53:33,511 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:53:33,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-29 01:53:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:53:34,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-29 01:53:34,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:53:34,966 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 166 proven. 55 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-29 01:53:34,966 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:53:35,514 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 211 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-11-29 01:53:35,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:53:35,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277873692] [2023-11-29 01:53:35,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:53:35,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869427562] [2023-11-29 01:53:35,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869427562] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:53:35,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 01:53:35,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14] total 30 [2023-11-29 01:53:35,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132037126] [2023-11-29 01:53:35,515 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 01:53:35,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-29 01:53:35,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:53:35,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-29 01:53:35,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=669, Unknown=0, NotChecked=0, Total=870 [2023-11-29 01:53:35,517 INFO L87 Difference]: Start difference. First operand 2153 states and 2987 transitions. Second operand has 30 states, 28 states have (on average 4.964285714285714) internal successors, (139), 30 states have internal predecessors, (139), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 01:53:50,784 WARN L293 SmtUtils]: Spent 14.60s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 01:54:06,221 WARN L293 SmtUtils]: Spent 14.39s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 01:54:18,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:54:18,359 INFO L93 Difference]: Finished difference Result 4230 states and 5917 transitions. [2023-11-29 01:54:18,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-29 01:54:18,360 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 4.964285714285714) internal successors, (139), 30 states have internal predecessors, (139), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 148 [2023-11-29 01:54:18,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:54:18,366 INFO L225 Difference]: With dead ends: 4230 [2023-11-29 01:54:18,366 INFO L226 Difference]: Without dead ends: 2201 [2023-11-29 01:54:18,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 41.6s TimeCoverageRelationStatistics Valid=744, Invalid=2012, Unknown=0, NotChecked=0, Total=2756 [2023-11-29 01:54:18,370 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 25 mSDsluCounter, 8681 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 9196 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:54:18,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 9196 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 01:54:18,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2201 states. [2023-11-29 01:54:18,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2201 to 2177. [2023-11-29 01:54:18,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2177 states, 2096 states have (on average 1.3821564885496183) internal successors, (2897), 2102 states have internal predecessors, (2897), 55 states have call successors, (55), 20 states have call predecessors, (55), 22 states have return successors, (59), 54 states have call predecessors, (59), 55 states have call successors, (59) [2023-11-29 01:54:18,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 2177 states and 3011 transitions. [2023-11-29 01:54:18,499 INFO L78 Accepts]: Start accepts. Automaton has 2177 states and 3011 transitions. Word has length 148 [2023-11-29 01:54:18,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:54:18,499 INFO L495 AbstractCegarLoop]: Abstraction has 2177 states and 3011 transitions. [2023-11-29 01:54:18,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 4.964285714285714) internal successors, (139), 30 states have internal predecessors, (139), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-29 01:54:18,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 3011 transitions. [2023-11-29 01:54:18,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 01:54:18,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:54:18,500 INFO L195 NwaCegarLoop]: trace histogram [34, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:54:18,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-11-29 01:54:18,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-29 01:54:18,701 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-29 01:54:18,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:54:18,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1303036383, now seen corresponding path program 2 times [2023-11-29 01:54:18,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:54:18,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963447466] [2023-11-29 01:54:18,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:54:18,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:54:18,774 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:54:18,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [129633599] [2023-11-29 01:54:18,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:54:18,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:54:18,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:54:18,780 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:54:18,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072952a5-e346-438a-9577-ee0596604d2e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process